diff --git a/po/POTFILES.in b/po/POTFILES.in
index e1d94d589..e005f5abe 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -12,6 +12,7 @@ panels/background/gnome-wp-item.c
 panels/common/cc-common-language.c
 panels/common/gdm-languages.c
 [type: gettext/glade]panels/datetime/datetime.ui
+panels/datetime/dt-lockbutton.c
 panels/datetime/gnome-datetime-panel.desktop.in.in
 [type: gettext/glade]panels/display/display-capplet.ui
 panels/display/gnome-display-panel.desktop.in.in