diff --git a/src/dpp.c b/src/dpp.c
index d95217c5..f6ccb926 100644
--- a/src/dpp.c
+++ b/src/dpp.c
@@ -1941,6 +1941,8 @@ static void dpp_exit(void)
 {
 	l_debug("");
 
+	l_dbus_unregister_interface(dbus_get_bus(), IWD_DPP_INTERFACE);
+
 	netdev_watch_remove(netdev_watch);
 
 	l_genl_family_unregister(nl80211, mlme_watch);