diff --git a/po/POTFILES.in b/po/POTFILES.in
index 840e2b9f78..6b502f1c81 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -455,6 +455,7 @@ app/widgets/gimplayertreeview.c
 app/widgets/gimpmenudock.c
 app/widgets/gimpmessagebox.c
 app/widgets/gimppaletteeditor.c
+app/widgets/gimppanedbox.c
 app/widgets/gimppdbdialog.c
 app/widgets/gimpprofilechooserdialog.c
 app/widgets/gimpprogressdialog.c