diff --git a/po/update-potfiles b/po/update-potfiles
index 70af4ec0..b46ca0e1 100755
--- a/po/update-potfiles
+++ b/po/update-potfiles
@@ -9,3 +9,5 @@ find . -name '*.c' |
 	sort |
 	sed 's|^./||
 /^contrib/d' > po/POTFILES.in
+
+echo include/c.h >> po/POTFILES.in