--- a/interface/Makefile.am	2013-12-12 03:04:52.000000000 +0100
+++ b/interface/Makefile.am	2020-08-17 10:56:55.977780546 +0200
@@ -220,7 +220,7 @@ if POCC
 	if test -f interface.lib ; then touch $@ ; fi
 else
 	rm -f libinterface.a
-	$(AR) cru libinterface.a $(libinterface_a_OBJECTS) $(libinterface_a_LIBADD)
+	$(AR) cr libinterface.a $(libinterface_a_OBJECTS) $(libinterface_a_LIBADD)
 	$(RANLIB) libinterface.a
 endif
 endif