diff --git a/src/gtk/renderer.cpp b/src/gtk/renderer.cpp
index 177fb31036..86855f31d5 100644
--- a/src/gtk/renderer.cpp
+++ b/src/gtk/renderer.cpp
@@ -157,6 +157,11 @@ static GdkWindow* wxGetGdkWindowForDC(wxWindow* win, wxDC& dc)
         gdk_window = dc.GetGDKWindow();
 #endif
     }
+
+#if !wxUSE_GRAPHICS_CONTEXT
+    wxUnusedVar(win);
+#endif
+
     return gdk_window;
 }