diff --git a/src/ppp/nm-ppp-manager.c b/src/ppp/nm-ppp-manager.c
index fdec4763dc..b1dfe665ba 100644
--- a/src/ppp/nm-ppp-manager.c
+++ b/src/ppp/nm-ppp-manager.c
@@ -442,7 +442,7 @@ impl_ppp_manager_set_ifindex (NMDBusObject *obj,
 
 	if (priv->ifindex >= 0) {
 		_LOGW ("can't change the ifindex from %d to %d", priv->ifindex, (int) ifindex);
-		return;
+		goto out;
 	}
 
 	if (ifindex > 0) {
@@ -463,6 +463,8 @@ impl_ppp_manager_set_ifindex (NMDBusObject *obj,
 	obj_keep_alive = nmp_object_ref (NMP_OBJECT_UP_CAST (plink));
 
 	g_signal_emit (self, signals[IFINDEX_SET], 0, ifindex, plink->name);
+
+out:
 	g_dbus_method_invocation_return_value (invocation, NULL);
 }