diff --git a/components/spktoolbar/SpkToolbar/SpkToolbar.pas b/components/spktoolbar/SpkToolbar/SpkToolbar.pas
index cc4141e8b..9b437a3b6 100644
--- a/components/spktoolbar/SpkToolbar/SpkToolbar.pas
+++ b/components/spktoolbar/SpkToolbar/SpkToolbar.pas
@@ -1657,6 +1657,8 @@ begin
   if FMetricsValid then
     exit;
 
+  FBuffer.Free;
+  FBuffer := TBitmap.Create;
   FBuffer.SetSize(self.Width, self.Height);
 
   // *** Zak³adki ***