diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index 2579fcf1e5..108d3c7c92 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -915,6 +915,11 @@ update_places (GtkPlacesSidebar *sidebar)
   else
     original_uri = NULL;
 
+  g_cancellable_cancel (sidebar->cancellable);
+
+  g_object_unref (sidebar->cancellable);
+  sidebar->cancellable = g_cancellable_new ();
+
   gtk_list_store_clear (sidebar->store);
 
   sidebar->devices_header_added = FALSE;