diff --git a/lcl/interfaces/cocoa/cocoathemes.pas b/lcl/interfaces/cocoa/cocoathemes.pas
index f3f013d3eb..5c65cc51ba 100644
--- a/lcl/interfaces/cocoa/cocoathemes.pas
+++ b/lcl/interfaces/cocoa/cocoathemes.pas
@@ -208,7 +208,9 @@ begin
     begin
       SetButtonCellToDetails(b, Details);
       CellDrawStart(DC, R, cur, nsr);
-      b.setBackgroundColor( NSColor.controlBackgroundColor );
+      // don't set backgroundColor for PushButton
+      if Details.Part <> BP_PUSHBUTTON then
+        b.setBackgroundColor( NSColor.controlBackgroundColor );
       CellDrawFrame(b, nsr);
       CellDrawEnd(DC, cur);
       Exit;