diff --git a/src/osx/window_osx.cpp b/src/osx/window_osx.cpp
index cb59ce7889..5ba3fcaf50 100644
--- a/src/osx/window_osx.cpp
+++ b/src/osx/window_osx.cpp
@@ -1778,7 +1778,7 @@ bool wxWindowMac::MacDoRedraw( long time )
                         break;
                 }
 
-                if ( MacGetTopLevelWindow() )
+                if ( UseBgCol() && MacGetTopLevelWindow() )
                 {
                     dc.SetBackground(GetBackgroundColour());
                     dc.Clear();