diff --git a/src/Editor/ModelEditor/CModelEditorViewport.cpp b/src/Editor/ModelEditor/CModelEditorViewport.cpp
index 268924ae..84e8d8f1 100644
--- a/src/Editor/ModelEditor/CModelEditorViewport.cpp
+++ b/src/Editor/ModelEditor/CModelEditorViewport.cpp
@@ -31,7 +31,7 @@ void CModelEditorViewport::SetDrawMode(EDrawMode Mode)
     mMode = Mode;
 }
 
-void CModelEditorViewport::SetClearColor(CColor Color)
+void CModelEditorViewport::SetClearColor(const CColor& Color)
 {
     mpRenderer->SetClearColor(Color);
 }
diff --git a/src/Editor/ModelEditor/CModelEditorViewport.h b/src/Editor/ModelEditor/CModelEditorViewport.h
index 5dac6384..0c21ef76 100644
--- a/src/Editor/ModelEditor/CModelEditorViewport.h
+++ b/src/Editor/ModelEditor/CModelEditorViewport.h
@@ -28,7 +28,7 @@ public:
     void SetNode(CModelNode *pNode);
     void SetActiveMaterial(CMaterial *pMat);
     void SetDrawMode(EDrawMode Mode);
-    void SetClearColor(CColor Color);
+    void SetClearColor(const CColor& Color);
     void SetGridEnabled(bool Enable);
     void Paint() override;
     void OnResize() override;