diff --git a/src/ecmascript/spidermonkey/url.cpp b/src/ecmascript/spidermonkey/url.cpp
index 36843ba30..fa04fe6ca 100644
--- a/src/ecmascript/spidermonkey/url.cpp
+++ b/src/ecmascript/spidermonkey/url.cpp
@@ -96,7 +96,9 @@ url_finalize(JS::GCContext *op, JSObject *url_obj)
 	struct eljs_url *url = JS::GetMaybePtrFromReservedSlot<struct eljs_url>(url_obj, 0);
 
 	if (url) {
+		char *uristring = url->uri.string;
 		done_uri(&url->uri);
+		mem_free_if(uristring);
 		mem_free_if(url->hash);
 		mem_free_if(url->host);
 		mem_free_if(url->pathname);