diff --git a/modules/juce_gui_basics/native/juce_Windowing_windows.cpp b/modules/juce_gui_basics/native/juce_Windowing_windows.cpp
index 14c0a63083..5df9d27788 100644
--- a/modules/juce_gui_basics/native/juce_Windowing_windows.cpp
+++ b/modules/juce_gui_basics/native/juce_Windowing_windows.cpp
@@ -2036,6 +2036,7 @@ public:
         if (approximatelyEqual (prev, next))
             return;
 
+        InvalidateRect (hwnd, nullptr, FALSE);
         scaleFactorListeners.call ([&] (ScaleFactorListener& l) { l.nativeScaleFactorChanged (next); });
     }