diff --git a/src/openvpn/ssl_verify.c b/src/openvpn/ssl_verify.c
index 61872251..9dfe23f8 100644
--- a/src/openvpn/ssl_verify.c
+++ b/src/openvpn/ssl_verify.c
@@ -1220,7 +1220,9 @@ verify_user_pass_plugin(struct tls_session *session, const struct user_pass *up,
         msg(D_TLS_ERRORS, "TLS Auth Error (verify_user_pass_plugin): peer provided a blank username");
     }
 
+#ifdef PLUGIN_DEF_AUT
 cleanup:
+#endif
     return retval;
 }