diff --git a/src/ppp-manager/nm-ppp-manager.c b/src/ppp-manager/nm-ppp-manager.c
index 89a7add..ae99eb4 100644
--- a/src/ppp-manager/nm-ppp-manager.c
+++ b/src/ppp-manager/nm-ppp-manager.c
@@ -843,7 +843,7 @@ create_pppd_cmd_line (NMPPPManager *self,
 
 	g_return_val_if_fail (setting != NULL, NULL);
 
-	pppd_binary = nm_utils_find_helper ("pppd", NULL, err);
+	pppd_binary = nm_utils_find_helper ("pppd", PPPD_PATH, err);
 	if (!pppd_binary)
 		return NULL;