--- ./thunar/Makefile.am.orig	2008-06-19 10:08:01.000000000 +0200
+++ ./thunar/Makefile.am	2008-03-25 22:20:36.000000000 +0100
@@ -234,7 +234,7 @@ endif
 # install symlink to 'thunar'
 install-data-local:
 	$(mkinstalldirs) $(DESTDIR)$(bindir)
-	-( cd $(DESTDIR)$(bindir) ; ln -sf Thunar thunar )
+	-( cd $(DESTDIR)$(bindir) ; test -x thunar || ln -sf Thunar thunar )
 
 clean-local:
 	rm -f *.core core core.*