diff --git a/src/http.c b/src/http.c
index 80322894..4a202ae3 100644
--- a/src/http.c
+++ b/src/http.c
@@ -651,7 +651,7 @@ int auth_log_in(struct tunnel *tunnel)
 	tunnel->cookie[0] = '\0';
 
 	if (username[0] == '\0' && tunnel->config->password[0] == '\0') {
-		snprintf(data, sizeof(data), "cert=&nup=1");
+		snprintf(data, sizeof(data), "");
 		ret = http_request(tunnel, "GET", "/remote/login",
 		                   data, &res, &response_size);
 	} else {