diff --git a/po/gen-po.in b/po/gen-po.in
index 402a83dee..78ef93dc0 100644
--- a/po/gen-po.in
+++ b/po/gen-po.in
@@ -19,6 +19,7 @@ xgettext \
     --default-domain=${domain} \
     --add-comments \
     --keyword=N_ \
+    --keyword=NP_ \
     -o ${outfile}.new \
     "$@"