diff --git a/Makefile.am b/Makefile.am
index f1a3639e2848c4b7ac639c6a7fae7a0e95c07658..6da3f84916c5fa0c7c724e2ccfca91d892f91684 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1123,6 +1123,9 @@ update-po:
 	    | grep -vE 'qt4/ui/.*.h' \
 	    | grep -v 'qt4/resources.cpp\|qt4/dialogs/about.hpp' \
 	    | grep -v 'gui/opie' \
+	    | grep -v 'wxwidgets' \
+	    | grep -v 'mux/rtp/' \
+	    | grep -v 'demux/rtpxiph.c' \
 	    | sort ; \
 	} > $(top_srcdir)/po/POTFILES.in
 	rm -f $(top_srcdir)/po/vlc.pot