diff --git a/core/vm/gas.go b/core/vm/gas.go
index bfcf75149..976333a78 100644
--- a/core/vm/gas.go
+++ b/core/vm/gas.go
@@ -147,7 +147,7 @@ var _baseCheck = map[OpCode]req{
 	EXTCODECOPY:  {4, GasExtStep, false},
 	SLOAD:        {1, GasStorageGet, true},
 	SSTORE:       {2, Zero, false},
-	SHA3:         {1, GasSha3Base, true},
+	SHA3:         {2, GasSha3Base, true},
 	CREATE:       {3, GasCreate, true},
 	CALL:         {7, GasCall, true},
 	CALLCODE:     {7, GasCall, true},