diff --git a/makefile.win b/makefile.win
index 423531dd01e..a772dc78993 100644
--- a/makefile.win
+++ b/makefile.win
@@ -160,8 +160,10 @@ splitsymbols:
 !endif
 
 componentreg:
+!if defined(MOZILLA_OFFICIAL)
 	cd $(DIST)\bin
 	regxpcom.exe
+!endif
 
 install:: rebase componentreg splitsymbols