diff --git a/cpp/src/utils/Exception.h b/cpp/src/utils/Exception.h
index 6542f913af2f550d1bf452cacb5fe2cc09136360..3a9ab892946a00a5072eba2bd894bc6d4c2abcbe 100644
--- a/cpp/src/utils/Exception.h
+++ b/cpp/src/utils/Exception.h
@@ -28,7 +28,7 @@ namespace milvus {
 class Exception : public std::exception {
 public:
     Exception(ErrorCode code, const std::string& message)
-        : code_(code_),
+        : code_(code),
           message_(message) {
         }