diff --git a/lcl/customdrawndrawers.pas b/lcl/customdrawndrawers.pas
index dcd5d6144d..18a03e152d 100644
--- a/lcl/customdrawndrawers.pas
+++ b/lcl/customdrawndrawers.pas
@@ -489,6 +489,7 @@ destructor TCDDrawer.Destroy;
 begin
   FreeResources;
   Palette.Free;
+  FallbackPalette.Free;
 
   inherited Destroy;
 end;