diff --git a/sys/rpc/clnt_vc.c b/sys/rpc/clnt_vc.c
index 11fc20191d43..8054a2ab9793 100644
--- a/sys/rpc/clnt_vc.c
+++ b/sys/rpc/clnt_vc.c
@@ -299,6 +299,7 @@ clnt_vc_create(
 err:
 	if (cl) {
 		if (ct) {
+			mtx_destroy(&ct->ct_lock);
 			mem_free(ct, sizeof (struct ct_data));
 		}
 		if (cl)