diff --git a/core/types/constants.go b/core/types/constants.go
index d40591857..4ccecf45e 100644
--- a/core/types/constants.go
+++ b/core/types/constants.go
@@ -6,7 +6,7 @@ const (
 	ChainTestnet = 0x02
 	ChainMainnet = 0x01
 
-	CurrentChainID = ChainMainnet
+	CurrentChainID = ChainTestnet
 )
 
 var (
diff --git a/version/version.go b/version/version.go
index d367924e4..d4c9c7450 100755
--- a/version/version.go
+++ b/version/version.go
@@ -11,7 +11,7 @@ const (
 
 var (
 	// Must be a string because scripts like dist.sh read this file.
-	Version = "1.1.0"
+	Version = "1.1.0-testnet"
 
 	// GitCommit is the current HEAD set using ldflags.
 	GitCommit string