diff --git a/po-properties/POTFILES.in b/po-properties/POTFILES.in
index 10cdb83a1d..746feb6b79 100644
--- a/po-properties/POTFILES.in
+++ b/po-properties/POTFILES.in
@@ -221,6 +221,7 @@ gtk/gtkselection.c
 gtk/gtkseparator.c
 gtk/gtkseparatortoolitem.c
 gtk/gtksettings.c
+gtk/gtksidebar.c
 gtk/gtksizegroup.c
 gtk/gtksocket.c
 gtk/gtkspinbutton.c
diff --git a/po/POTFILES.in b/po/POTFILES.in
index c93ccea9ed..c8b7000c7f 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -222,6 +222,7 @@ gtk/gtkselection.c
 gtk/gtkseparator.c
 gtk/gtkseparatortoolitem.c
 gtk/gtksettings.c
+gtk/gtksidebar.c
 gtk/gtksizegroup.c
 gtk/gtksizerequest.c
 gtk/gtksocket.c