diff --git a/Makefile b/Makefile
index 1397d36c..179a2c61 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 XMLINFILES=$(wildcard *.xml.in)
 XMLFILES = $(patsubst %.xml.in,%.xml,$(XMLINFILES))
 
-all: po $(XMLFILES)
+all: po $(XMLFILES) sort
 
 po: $(XMLINFILES)
 	make -C po -f Makefile || exit 1