diff --git a/evmjit/libevmjit/Arith256.cpp b/evmjit/libevmjit/Arith256.cpp
index 15d18c814..99ca63ea6 100644
--- a/evmjit/libevmjit/Arith256.cpp
+++ b/evmjit/libevmjit/Arith256.cpp
@@ -416,7 +416,7 @@ namespace
 		explicit operator uint128()
 		{
 			uint128 r = lo;
-			r = r + ((uint128) mid) << 64;
+			r = (r + ((uint128) mid)) << 64;
 			return r;
 		}