diff --git a/src/vs/server/node/server.cli.ts b/src/vs/server/node/server.cli.ts
index 4c821c003d5cf..eb68e8aa8b53f 100644
--- a/src/vs/server/node/server.cli.ts
+++ b/src/vs/server/node/server.cli.ts
@@ -375,7 +375,7 @@ function openInBrowser(args: string[], verbose: boolean) {
 	const uris: string[] = [];
 	for (const location of args) {
 		try {
-			if (/^(http|https|file):\/\//.test(location)) {
+			if (/^[a-z-]+:\/\/.+/.test(location)) {
 				uris.push(url.parse(location).href);
 			} else {
 				uris.push(pathToURI(location).href);