diff --git a/ext/standard/url.c b/ext/standard/url.c
index b6dc6525558..612af418b87 100644
--- a/ext/standard/url.c
+++ b/ext/standard/url.c
@@ -140,7 +140,7 @@ url *url_parse(char *string)
 		}
 		efree(result);
 	}
-	else if (!strcmp(ret->scheme, "http")) {
+	else if (ret->scheme && !strcmp(ret->scheme, "http")) {
 		STR_FREE(ret->scheme);
 		STR_FREE(ret->path);
 		STR_FREE(ret->query);