diff --git a/Makefile b/Makefile
index b8ec77d41..f99342a98 100644
--- a/Makefile
+++ b/Makefile
@@ -57,6 +57,7 @@ data/data.js: $(DATA_FILES)
 	js/id/validate.js \
 	js/id/end.js \
 	js/lib/locale.js \
+	data/locales.js
 
 iD.js: node_modules Makefile
 	@rm -f $@