diff --git a/src/openvpn/route.c b/src/openvpn/route.c
index 56fa7717..e429e8c0 100644
--- a/src/openvpn/route.c
+++ b/src/openvpn/route.c
@@ -1584,6 +1584,7 @@ add_route(struct route_ipv4 *r,

     if (!(r->flags & RT_DEFINED))
     {
+        argv_free(&argv);
         return;
     }

@@ -1891,6 +1892,7 @@ add_route_ipv6(struct route_ipv6 *r6, const struct tuntap *tt,

     if (!(r6->flags & RT_DEFINED) )
     {
+        argv_free(&argv);
         return;
     }