diff --git a/lite/core/op_lite.cc b/lite/core/op_lite.cc
index c3c00d0fa0edeaf3f7070b3e912b9891e44fdc86..dcab292be8f24a6294cb560506f6d03209552d4a 100644
--- a/lite/core/op_lite.cc
+++ b/lite/core/op_lite.cc
@@ -322,6 +322,7 @@ std::vector<float> OpInfo::GetOutputScale(const std::string &name,
     int index;
     CHECK(GetOutputArgname(name, &argname));
     CHECK(GetOutputIndex(name, &index));
+    scale_name = argname + to_string(index) + "_scale";
   }
   return GetAttr<std::vector<float>>(scale_name);
 }