diff --git a/components/virtualtreeview-new/branches/4.8/VirtualTrees.pas b/components/virtualtreeview-new/branches/4.8/VirtualTrees.pas
index 773024aac..1be74f1fa 100644
--- a/components/virtualtreeview-new/branches/4.8/VirtualTrees.pas
+++ b/components/virtualtreeview-new/branches/4.8/VirtualTrees.pas
@@ -5005,6 +5005,7 @@ begin
   CF_VTREFERENCE := ClipboardRegisterFormat(CFSTR_VTREFERENCE);
 
   UtilityImages := TBitmap.Create;
+  UtilityImages.Transparent := True;
   UtilityImages.LoadFromLazarusResource('VT_UTILITIES');
 
   // Specify an useful timer resolution for timeGetTime.
@@ -20261,7 +20262,7 @@ begin
   else
   begin
     FCheckImages := TBitmap.Create;
-    FCheckImages.TransparentColor := clDefault;
+    FCheckImages.Transparent := True;
     FCheckImages.LoadFromLazarusResource(CheckImagesStrings[FCheckImageKind]);
   end;
 end;