diff --git a/core/execution.go b/core/execution.go
index 43f4b58fb..1057089f1 100644
--- a/core/execution.go
+++ b/core/execution.go
@@ -13,7 +13,6 @@ type Execution struct {
 	env               vm.Environment
 	address, input    []byte
 	Gas, price, value *big.Int
-	SkipTransfer      bool
 }
 
 func NewExecution(env vm.Environment, address, input []byte, gas, gasPrice, value *big.Int) *Execution {
@@ -43,14 +42,12 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret
 
 	from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(self.address)
 	// Skipping transfer is used on testing for the initial call
-	if !self.SkipTransfer {
-		err = env.Transfer(from, to, self.value)
-		if err != nil {
-			caller.ReturnGas(self.Gas, self.price)
+	err = env.Transfer(from, to, self.value)
+	if err != nil {
+		caller.ReturnGas(self.Gas, self.price)
 
-			err = fmt.Errorf("Insufficient funds to transfer value. Req %v, has %v", self.value, from.Balance)
-			return
-		}
+		err = fmt.Errorf("insufficient funds to transfer value. Req %v, has %v", self.value, from.Balance())
+		return
 	}
 
 	snapshot := env.State().Copy()
diff --git a/tests/files/VMTests/RandomTests/201501121148GO.json b/tests/files/VMTests/RandomTests/201501121148GO.json
new file mode 100644
index 000000000..fb72e9c9f
--- /dev/null
+++ b/tests/files/VMTests/RandomTests/201501121148GO.json
@@ -0,0 +1,31 @@
+{
+    "randomVMtest" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : "1",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "code" : "0x0c",
+            "data" : "0x",
+            "gas" : "10000",
+            "gasPrice" : "100000000000000",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x0c",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        }
+    }
+}
diff --git a/tests/files/VMTests/RandomTests/201501121149GO.json b/tests/files/VMTests/RandomTests/201501121149GO.json
new file mode 100644
index 000000000..bd8a769ae
--- /dev/null
+++ b/tests/files/VMTests/RandomTests/201501121149GO.json
@@ -0,0 +1,31 @@
+{
+    "randomVMtest" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : "1",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "code" : "0x0c0b8a4494328e02",
+            "data" : "0x",
+            "gas" : "10000",
+            "gasPrice" : "100000000000000",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x0c0b8a4494328e02",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        }
+    }
+}
diff --git a/tests/files/VMTests/RandomTests/201501121151GO.json b/tests/files/VMTests/RandomTests/201501121151GO.json
new file mode 100644
index 000000000..56904da1b
--- /dev/null
+++ b/tests/files/VMTests/RandomTests/201501121151GO.json
@@ -0,0 +1,31 @@
+{
+    "randomVMtest" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : "1",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "code" : "0x590c",
+            "data" : "0x",
+            "gas" : "10000",
+            "gasPrice" : "100000000000000",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x590c",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        }
+    }
+}
diff --git a/tests/files/VMTests/RandomTests/201501121256GO.json b/tests/files/VMTests/RandomTests/201501121256GO.json
new file mode 100644
index 000000000..156805eb4
--- /dev/null
+++ b/tests/files/VMTests/RandomTests/201501121256GO.json
@@ -0,0 +1,46 @@
+{
+    "randomVMtest" : {
+        "callcreates" : [
+        ],
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : "2",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "code" : "0x4542424283434544f063ff78ff1355",
+            "data" : "0x",
+            "gas" : "10000",
+            "gasPrice" : "100000000000000",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000"
+        },
+        "gas" : "9791",
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x4542424283434544f063ff78ff1355",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x4542424283434544f063ff78ff1355",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        }
+    }
+}
diff --git a/tests/files/VMTests/RandomTests/201501121301GO.json b/tests/files/VMTests/RandomTests/201501121301GO.json
new file mode 100644
index 000000000..b392bedd5
--- /dev/null
+++ b/tests/files/VMTests/RandomTests/201501121301GO.json
@@ -0,0 +1,47 @@
+{
+    "randomVMtest" : {
+        "callcreates" : [
+        ],
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : "2",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "code" : "0x4545434244f04343161755",
+            "data" : "0x",
+            "gas" : "10000",
+            "gasPrice" : "100000000000000",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000"
+        },
+        "gas" : "9591",
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x4545434244f04343161755",
+                "nonce" : "0",
+                "storage" : {
+                    "0x" : "0x0f4240"
+                }
+            }
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x4545434244f04343161755",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        }
+    }
+}
diff --git a/tests/files/VMTests/RandomTests/201501121303GO.json b/tests/files/VMTests/RandomTests/201501121303GO.json
new file mode 100644
index 000000000..7e58edbae
--- /dev/null
+++ b/tests/files/VMTests/RandomTests/201501121303GO.json
@@ -0,0 +1,47 @@
+{
+    "randomVMtest" : {
+        "callcreates" : [
+        ],
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : "2",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "code" : "0x4245454345424344f055",
+            "data" : "0x",
+            "gas" : "10000",
+            "gasPrice" : "100000000000000",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000"
+        },
+        "gas" : "9591",
+        "logs" : [
+        ],
+        "out" : "0x",
+        "post" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x4245454345424344f055",
+                "nonce" : "0",
+                "storage" : {
+                    "0x" : "0x0f4240"
+                }
+            }
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x4245454345424344f055",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        }
+    }
+}
diff --git a/tests/helper/vm.go b/tests/helper/vm.go
index dac279753..797a2acf5 100644
--- a/tests/helper/vm.go
+++ b/tests/helper/vm.go
@@ -1,6 +1,7 @@
 package helper
 
 import (
+	"errors"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/core"
@@ -66,12 +67,16 @@ func (self *Env) AddLog(log state.Log) {
 func (self *Env) Depth() int     { return self.depth }
 func (self *Env) SetDepth(i int) { self.depth = i }
 func (self *Env) Transfer(from, to vm.Account, amount *big.Int) error {
+	if self.skipTransfer {
+		if from.Balance().Cmp(amount) < 0 {
+			return errors.New("Insufficient balance in account")
+		}
+	}
 	return vm.Transfer(from, to, amount)
 }
 
 func (self *Env) vm(addr, data []byte, gas, price, value *big.Int) *core.Execution {
 	exec := core.NewExecution(self, addr, data, gas, price, value)
-	exec.SkipTransfer = self.skipTransfer
 
 	return exec
 }
@@ -104,6 +109,7 @@ func RunVm(state *state.StateDB, env, exec map[string]string) ([]byte, state.Log
 	)
 
 	caller := state.GetOrNewStateObject(from)
+	caller.SetBalance(ethutil.Big("1000000000000000000"))
 
 	vmenv := NewEnvFromMap(state, env, exec)
 	vmenv.skipTransfer = true
diff --git a/vm/vm_debug.go b/vm/vm_debug.go
index eec8c518f..fee42d3d8 100644
--- a/vm/vm_debug.go
+++ b/vm/vm_debug.go
@@ -743,9 +743,7 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price *
 		default:
 			vmlogger.Debugf("(pc) %-3v Invalid opcode %x\n", pc, op)
 
-			context.ReturnGas(big.NewInt(1), nil)
-
-			return context.Return(nil), fmt.Errorf("Invalid opcode %x", op)
+			panic(fmt.Errorf("Invalid opcode %x", op))
 		}
 
 		pc++