diff --git a/components/spktoolbar/SpkToolbar/SpkToolbar.pas b/components/spktoolbar/SpkToolbar/SpkToolbar.pas
index 6437d8865..91c880dbc 100644
--- a/components/spktoolbar/SpkToolbar/SpkToolbar.pas
+++ b/components/spktoolbar/SpkToolbar/SpkToolbar.pas
@@ -2197,6 +2197,7 @@ var
   MenuButtonWidth: Integer;
   AdditionalPadding: Boolean;
   MenuButtonTextWidth: Integer;
+  ToolbarHeight: Integer;
  {$IFDEF LCLCocoa}
   scalefactor: Double;
  {$ENDIF}
@@ -2208,14 +2209,15 @@ begin
 
   FBuffer.Free;
   FBuffer := TBitmap.Create;
+  ToolbarHeight := CalcToolbarHeight;
  {$IFDEF LCLCocoa}
   scalefactor := GetCanvasScaleFactor;
-  FBuffer.SetSize(round(scaleFactor*Width), round(scaleFactor*CalcToolbarHeight));
+  FBuffer.SetSize(round(scaleFactor*Width), round(scaleFactor*ToolbarHeight));
   CGContextScaleCTM(TCocoaBitmapContext(FBuffer.Canvas.Handle).CGContext, scaleFactor, scaleFactor);
  {$ELSE}
-  FBuffer.SetSize(Width, CalcToolbarHeight);
+  FBuffer.SetSize(Width, ToolbarHeight);
  {$ENDIF}
-  SetBounds(Left, Top, FBuffer.Width, FBuffer.Height);
+  SetBounds(Left, Top, FBuffer.Width, ToolbarHeight);
 
   // *** Tabs ***