diff --git a/po/POTFILES.in b/po/POTFILES.in
index e8b4c5bf1..23c5c7d0e 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -89,6 +89,7 @@ src/DateHandler/_Date_fi.py
 src/DateHandler/_Date_fr.py
 src/DateHandler/_DateHandler.py
 src/DateHandler/_Date_lt.py
+src/DateHandler/_Date_nb.py
 src/DateHandler/_Date_nl.py
 src/DateHandler/_Date_pl.py
 src/DateHandler/_Date_pt.py