diff --git a/sys/net/if_vxlan.c b/sys/net/if_vxlan.c
index 3d51c3c421f..da219217480 100644
--- a/sys/net/if_vxlan.c
+++ b/sys/net/if_vxlan.c
@@ -2876,8 +2876,7 @@ vxlan_input(struct vxlan_socket *vso, uint32_t vni, struct mbuf **m0,
 
 	ifp = sc->vxl_ifp;
 	if (m->m_len < ETHER_HDR_LEN &&
-	    (m = m_pullup(m, ETHER_HDR_LEN)) == NULL) {
-		*m0 = NULL;
+	    (m = *m0 = m_pullup(m, ETHER_HDR_LEN)) == NULL) {
 		error = ENOBUFS;
 		goto out;
 	}