diff --git a/core/chain_manager_test.go b/core/chain_manager_test.go
index f456e4fff..b5155e223 100644
--- a/core/chain_manager_test.go
+++ b/core/chain_manager_test.go
@@ -81,7 +81,7 @@ func testChain(chainB types.Blocks, bman *BlockProcessor) (*big.Int, error) {
 			return nil, err
 		}
 		parent := bman.bc.GetBlock(block.ParentHash())
-		block.Td = CalculateTD(block, parent)
+		block.Td = CalcTD(block, parent)
 		td = block.Td
 
 		bman.bc.mu.Lock()
diff --git a/eth/downloader/downloader_test.go b/eth/downloader/downloader_test.go
index cfa6257a3..50fe00d42 100644
--- a/eth/downloader/downloader_test.go
+++ b/eth/downloader/downloader_test.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/event"
 )
 
 var (
@@ -67,7 +68,8 @@ func newTester(t *testing.T, hashes []common.Hash, blocks map[common.Hash]*types
 
 		done: make(chan bool),
 	}
-	downloader := New(tester.hasBlock, tester.getBlock)
+	var mux event.TypeMux
+	downloader := New(&mux, tester.hasBlock, tester.getBlock)
 	tester.downloader = downloader
 
 	return tester