--- courier/filters/Makefile.in.orig	2025-05-10 16:36:14.144694000 +0200
+++ courier/filters/Makefile.in	2025-05-10 16:36:42.732908000 +0200
@@ -1441,7 +1441,7 @@
 	-$(mkinstalldirs) $(DESTDIR)$(bindir)
 	chmod 500 $(DESTDIR)$(datadir)/filterctl
 	rm -f $(DESTDIR)$(sbindir)/filterctl
-	$(LN_S) `realpath -m --relative-to $(sbindir) $(datadir)/filterctl` $(DESTDIR)$(sbindir)/filterctl
+	$(LN_S) $(datadir)/filterctl $(DESTDIR)$(sbindir)/filterctl
 	chmod 755 $(DESTDIR)$(filterbindir)
 	chmod 750 $(DESTDIR)$(filtersocketdir)
 	chmod 750 $(DESTDIR)$(allfiltersocketdir)