diff --git a/src/core/ppp/nm-ppp-manager.c b/src/core/ppp/nm-ppp-manager.c
index dd6b1bc7f0..213e3761cc 100644
--- a/src/core/ppp/nm-ppp-manager.c
+++ b/src/core/ppp/nm-ppp-manager.c
@@ -1246,7 +1246,7 @@ _ppp_manager_stop(NMPPPManager            *self,
                               SIGTERM,
                               LOGD_PPP,
                               "pppd",
-                              5000,
+                              NM_SHUTDOWN_TIMEOUT_5000_MSEC,
                               _stop_child_cb,
                               handle);