diff --git a/cocos/renderer/backend/Types.cpp b/cocos/renderer/backend/Types.cpp
index 61a375f466..ae8e08650a 100644
--- a/cocos/renderer/backend/Types.cpp
+++ b/cocos/renderer/backend/Types.cpp
@@ -10,7 +10,7 @@ bool UniformLocation::operator==(const UniformLocation &other) const
 }
 
 std::size_t UniformLocation::operator()(const UniformLocation &uniform) const {
-    return (((size_t) shaderStage) & 0xFFFFFFF0 )|((size_t)(location << 4));
+    return (((size_t) shaderStage) & 0xF)|((size_t)(location << 4));
 }
 
 CC_BACKEND_END