diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95f122584..0a957a99a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 0.4.3
+*Oct 4th, 2018*
+
+BUG FIXES
+
+- [core] Fix division by zero
+
 ## 0.4.2
 *Sept 21th, 2018*
 
diff --git a/core/state/state_candidate.go b/core/state/state_candidate.go
index 8403df6b1..674c3a485 100644
--- a/core/state/state_candidate.go
+++ b/core/state/state_candidate.go
@@ -108,6 +108,10 @@ func (s *Stake) CalcBipValue(context *StateDB) *big.Int {
 
 	data := context.stakeCache[s.Coin]
 
+	if data.TotalValue.Cmp(types.Big0) == 0 {
+		return big.NewInt(0)
+	}
+
 	value := big.NewInt(0).Set(data.BipValue)
 	value.Mul(value, s.Value)
 	value.Div(value, data.TotalValue)
diff --git a/version/version.go b/version/version.go
index 6e71d292a..1f4f35ce6 100755
--- a/version/version.go
+++ b/version/version.go
@@ -4,12 +4,12 @@ package version
 const (
 	Maj = "0"
 	Min = "4"
-	Fix = "2"
+	Fix = "3"
 )
 
 var (
 	// Must be a string because scripts like dist.sh read this file.
-	Version = "0.4.2"
+	Version = "0.4.3"
 
 	// GitCommit is the current HEAD set using ldflags.
 	GitCommit string