diff --git a/gtk/gtkappchooserdialog.c b/gtk/gtkappchooserdialog.c
index e55eac33e7..ce7cfeed57 100644
--- a/gtk/gtkappchooserdialog.c
+++ b/gtk/gtkappchooserdialog.c
@@ -536,6 +536,8 @@ gtk_app_chooser_dialog_dispose (GObject *object)
   cancel_and_clear_cancellable (self);
   g_clear_object (&self->priv->online);
 
+  self->priv->dismissed = TRUE;
+
   G_OBJECT_CLASS (gtk_app_chooser_dialog_parent_class)->dispose (object);
 }