diff --git a/lib/ipc_shm.c b/lib/ipc_shm.c
index 79fbf80..3f1922f 100644
--- a/lib/ipc_shm.c
+++ b/lib/ipc_shm.c
@@ -229,8 +229,8 @@ qb_ipcs_shm_disconnect(struct qb_ipcs_connection *c)
 		if (c->setup.u.us.sock > 0) {
 			qb_ipcc_us_sock_close(c->setup.u.us.sock);
 			(void)c->service->poll_fns.dispatch_del(c->setup.u.us.sock);
-			qb_ipcs_connection_unref(c);
 			c->setup.u.us.sock = -1;
+			qb_ipcs_connection_unref(c);
 		}
 	}
 	if (c->state == QB_IPCS_CONNECTION_SHUTTING_DOWN ||