diff --git a/gtk/gtkmenusectionbox.c b/gtk/gtkmenusectionbox.c
index 1f38e1b81f..0557bc9e2b 100644
--- a/gtk/gtkmenusectionbox.c
+++ b/gtk/gtkmenusectionbox.c
@@ -395,6 +395,8 @@ update_popover_position_cb (GObject    *source,
       else
         gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
     }
+
+  g_list_free (children);
 }
 
 void