diff --git a/ethchain/state_object.go b/ethchain/state_object.go
index 2c9dfb713..1445bcd82 100644
--- a/ethchain/state_object.go
+++ b/ethchain/state_object.go
@@ -147,7 +147,7 @@ func (c *StateObject) ConvertGas(gas, price *big.Int) error {
 func (self *StateObject) SetGasPool(gasLimit *big.Int) {
 	self.gasPool = new(big.Int).Set(gasLimit)
 
-	ethutil.Config.Log.Printf(ethutil.LogLevelSystem, "%x fuel (+ %v)", self.Address(), self.gasPool)
+	ethutil.Config.Log.Printf(ethutil.LogLevelSystem, "%x: fuel (+ %v)", self.Address(), self.gasPool)
 }
 
 func (self *StateObject) BuyGas(gas, price *big.Int) error {