diff --git a/libevmasm/EVMSchedule.h b/libevmasm/EVMSchedule.h
index ce9003bdd..65d307ae9 100644
--- a/libevmasm/EVMSchedule.h
+++ b/libevmasm/EVMSchedule.h
@@ -34,7 +34,7 @@ struct EVMSchedule
 	unsigned expByteGas = 10;
 	unsigned sha3Gas = 30;
 	unsigned sha3WordGas = 6;
-	unsigned sloadGas = 50;
+	unsigned sloadGas = 200;
 	unsigned sstoreSetGas = 20000;
 	unsigned sstoreResetGas = 5000;
 	unsigned sstoreRefundGas = 15000;
diff --git a/libevmasm/GasMeter.cpp b/libevmasm/GasMeter.cpp
index 5cb25a22c..e4fe77014 100644
--- a/libevmasm/GasMeter.cpp
+++ b/libevmasm/GasMeter.cpp
@@ -149,6 +149,8 @@ GasMeter::GasConsumption GasMeter::estimateMax(AssemblyItem const& _item, bool _
 			}
 			break;
 		}
+		case Instruction::SELFDESTRUCT:
+			gas = GasCosts::selfdestructGas;
 		case Instruction::CREATE:
 			if (_includeExternalCosts)
 				// We assume that we do not know the target contract and thus, the consumption is infinite.
diff --git a/libevmasm/GasMeter.h b/libevmasm/GasMeter.h
index 7c6a04ce6..146f08a21 100644
--- a/libevmasm/GasMeter.h
+++ b/libevmasm/GasMeter.h
@@ -59,10 +59,11 @@ namespace GasCosts
 	static unsigned const logDataGas = 8;
 	static unsigned const logTopicGas = 375;
 	static unsigned const createGas = 32000;
-	static unsigned const callGas = 40;
+	static unsigned const callGas = 700;
 	static unsigned const callStipend = 2300;
 	static unsigned const callValueTransferGas = 9000;
 	static unsigned const callNewAccountGas = 25000;
+	static unsigned const selfdestructGas = 5000;
 	static unsigned const selfdestructRefundGas = 24000;
 	static unsigned const memoryGas = 3;
 	static unsigned const quadCoeffDiv = 512;
diff --git a/libevmasm/Instruction.cpp b/libevmasm/Instruction.cpp
index 87bdb643c..5e92c6e66 100644
--- a/libevmasm/Instruction.cpp
+++ b/libevmasm/Instruction.cpp
@@ -297,7 +297,7 @@ static const std::map<Instruction, InstructionInfo> c_instructionInfo =
 	{ Instruction::DELEGATECALL,	{ "DELEGATECALL",	0, 6, 1, true, Tier::Special } },
 	{ Instruction::REVERT,          { "REVERT",             0, 2, 0, true, Tier::Zero } },
 	{ Instruction::INVALID,		{ "INVALID",		0, 0, 0, true, Tier::Zero } },
-	{ Instruction::SELFDESTRUCT,	{ "SELFDESTRUCT",		0, 1, 0, true, Tier::Zero } }
+	{ Instruction::SELFDESTRUCT,	{ "SELFDESTRUCT",		0, 1, 0, true, Tier::Special } }
 };
 
 void dev::solidity::eachInstruction(