diff --git a/src/tests/chain.rs b/src/tests/chain.rs
index 97dc2767f..0cf13acb4 100644
--- a/src/tests/chain.rs
+++ b/src/tests/chain.rs
@@ -68,7 +68,7 @@ declare_test!{BlockchainTests_bcInvalidRLPTest, "BlockchainTests/bcInvalidRLPTes
 declare_test!{BlockchainTests_bcMultiChainTest, "BlockchainTests/bcMultiChainTest"}
 declare_test!{BlockchainTests_bcRPC_API_Test, "BlockchainTests/bcRPC_API_Test"}
 declare_test!{BlockchainTests_bcStateTest, "BlockchainTests/bcStateTest"}
-declare_test!{BlockchainTests_bcTotalDifficultyTest, "BlockchainTests/bcTotalDifficultyTest"}	// FAILS: ZeroPrefixed Int.
+declare_test!{BlockchainTests_bcTotalDifficultyTest, "BlockchainTests/bcTotalDifficultyTest"}
 declare_test!{BlockchainTests_bcUncleHeaderValiditiy, "BlockchainTests/bcUncleHeaderValiditiy"}
 declare_test!{BlockchainTests_bcUncleTest, "BlockchainTests/bcUncleTest"}
 declare_test!{BlockchainTests_bcValidBlockTest, "BlockchainTests/bcValidBlockTest"}