diff --git a/data/makefile.win32 b/data/makefile.win32
index 55dee7c1c..228dc2248 100644
--- a/data/makefile.win32
+++ b/data/makefile.win32
@@ -54,12 +54,12 @@ stamp:
 	echo > stamp
 
 $(BASEARCHIVE): $(basename $(BASEARCHIVE)) stamp $(patsubst %,$(basename $(BASEARCHIVE))/%,$(BASELIST))
-	(cd $< && zip -ru0 $@ $(filter-out stamp,$(filter-out $<,$(^:$</%=%))) -x '*svn*' || [ $$? -eq 12 ] && true) # zip returns 12 on "nothing to do"
+	(cd $< && zip -ru0 $@ $(filter-out stamp,$(filter-out $<,$(^:$</%=%))) -x '*svn*' -x '*Makefile*' || [ $$? -eq 12 ] && true) # zip returns 12 on "nothing to do"
 	zip -T $@
 	$(RM_F) stamp
 
 $(PATCHARCHIVE): $(basename $(BASEARCHIVE)) stamp $(patsubst %,$(basename $(PATCHARCHIVE))/%,$(PATCHLIST))
-	(cd $< && zip -ru0 $@ $(filter-out stamp,$(filter-out $<,$(^:$</%=%))) -x '*svn*' || [ $$? -eq 12 ] && true) # zip returns 12 on "nothing to do"
+	(cd $< && zip -ru0 $@ $(filter-out stamp,$(filter-out $<,$(^:$</%=%))) -x '*svn*' -x '*Makefile*' || [ $$? -eq 12 ] && true) # zip returns 12 on "nothing to do"
 	zip -T $@
 	$(RM_F) stamp