diff --git a/po/POTFILES.in b/po/POTFILES.in
index 80886ca7f..ec923176e 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -35,6 +35,7 @@ src/cli/plug/__init__.py
 src/gen/db/base.py
 src/gen/db/exceptions.py
 src/gen/db/undoredo.py
+src/gen/db/upgrade.py
 
 # gen display API
 src/gen/display/name.py
diff --git a/src/gen/db/upgrade.py b/src/gen/db/upgrade.py
index c326c0bb7..2047a7643 100644
--- a/src/gen/db/upgrade.py
+++ b/src/gen/db/upgrade.py
@@ -29,6 +29,8 @@ import time
 import logging
 LOG = logging.getLogger(".citation")
 
+from gen.ggettext import gettext as _
+
 """
 methods to upgrade a database from version 13 to current version
 """