diff --git a/components/myguiplatform/myguirendermanager.hpp b/components/myguiplatform/myguirendermanager.hpp
index 1e82bc0df..72abebd18 100644
--- a/components/myguiplatform/myguirendermanager.hpp
+++ b/components/myguiplatform/myguirendermanager.hpp
@@ -106,10 +106,16 @@ public:
 
     bool checkTexture(MyGUI::ITexture* _texture);
 
+    // setViewSize() is a part of MyGUI::RenderManager interface since 3.4.0 release
+#if MYGUI_VERSION < MYGUI_DEFINE_VERSION(3,4,0)
+    void setViewSize(int width, int height);
+#else
+    void setViewSize(int width, int height) override;
+#endif
+
 /*internal:*/
 
     void collectDrawCalls();
-    void setViewSize(int width, int height);
 };
 
 }