diff --git a/documentation/Makefile.in b/documentation/Makefile.in
index d742ea31884..b62d6491b1b 100644
--- a/documentation/Makefile.in
+++ b/documentation/Makefile.in
@@ -65,7 +65,7 @@ $(BOOKNAME).ps: $(BOOK_SRCS)
 	db2ps $(BOOKNAME).sgml > /dev/null
 
 wine.man: wine.man.in
-	sed -e 's,@bindir\@,$(bindir),g' -e 's,@libdir\@,$(libdir),g' $(SRCDIR)/wine.man.in >wine.man
+	sed -e 's,@bindir\@,$(bindir),g' -e 's,@libdir\@,$(libdir),g' $(SRCDIR)/wine.man.in >$@ || $(RM) $@
 
 install:: $(MAN_TARGETS)
 	$(INSTALL) -d $(mandir)/man$(prog_manext)
diff --git a/tools/Makefile.in b/tools/Makefile.in
index 1095c1583a8..aa4e137784d 100644
--- a/tools/Makefile.in
+++ b/tools/Makefile.in
@@ -41,7 +41,7 @@ bin2res: bin2res.o
 	$(CC) $(CFLAGS) -o bin2res bin2res.o
 
 winelauncher: winelauncher.in
-	sed -e 's,@bindir\@,$(bindir),g' -e 's,@libdir\@,$(libdir),g' $(SRCDIR)/winelauncher.in >winelauncher
+	sed -e 's,@bindir\@,$(bindir),g' -e 's,@libdir\@,$(libdir),g' $(SRCDIR)/winelauncher.in >$@ || $(RM) $@
 
 install:: $(PROGRAMS) $(INSTALLSUBDIRS:%=%/__install__)
 	[ -d $(bindir) ] || $(MKDIR) $(bindir)