diff --git a/Plugins/UnLua/Source/UnLua/Private/Registries/ClassRegistry.cpp b/Plugins/UnLua/Source/UnLua/Private/Registries/ClassRegistry.cpp
index e81f53e0..c53ef9a2 100644
--- a/Plugins/UnLua/Source/UnLua/Private/Registries/ClassRegistry.cpp
+++ b/Plugins/UnLua/Source/UnLua/Private/Registries/ClassRegistry.cpp
@@ -33,7 +33,7 @@ namespace UnLua
 
     FClassRegistry::~FClassRegistry()
     {
-        for (const auto Pair : Name2Classes)
+        for (const auto& Pair : Name2Classes)
             delete Pair.Value;
     }
 
diff --git a/Plugins/UnLua/Source/UnLua/Private/Registries/EnumRegistry.cpp b/Plugins/UnLua/Source/UnLua/Private/Registries/EnumRegistry.cpp
index 54bd5e0f..9e890ed1 100644
--- a/Plugins/UnLua/Source/UnLua/Private/Registries/EnumRegistry.cpp
+++ b/Plugins/UnLua/Source/UnLua/Private/Registries/EnumRegistry.cpp
@@ -28,7 +28,7 @@ namespace UnLua
 
     FEnumRegistry::~FEnumRegistry()
     {
-        for (const auto Pair : Name2Enums)
+        for (const auto& Pair : Name2Enums)
             delete Pair.Value;
     }