diff --git a/plugins/cgi/cgi_plugin.c b/plugins/cgi/cgi_plugin.c
index 490f8a92..e4f4245a 100644
--- a/plugins/cgi/cgi_plugin.c
+++ b/plugins/cgi/cgi_plugin.c
@@ -368,6 +368,7 @@ char *uwsgi_cgi_get_docroot(char *path_info, uint16_t path_info_len, int *need_f
 	if (choosen_udd->status == 0) {
 		char *tmp_udd = uwsgi_malloc(PATH_MAX+1);
 		if (!realpath(path, tmp_udd)) {
+			free(tmp_udd);
 			return NULL;
 		}