diff --git a/src/vs/workbench/contrib/remote/browser/tunnelView.ts b/src/vs/workbench/contrib/remote/browser/tunnelView.ts
index 8e9eacbab0ed03efc97cf381d67188139037a42d..3312b6521563ca658b2e90f77d22ee9d39008a2d 100644
--- a/src/vs/workbench/contrib/remote/browser/tunnelView.ts
+++ b/src/vs/workbench/contrib/remote/browser/tunnelView.ts
@@ -414,7 +414,7 @@ class TunnelItem implements ITunnelItem {
 		if (address.length < 15) {
 			return address;
 		}
-		return new URL(address).host;
+		return new URL(address).host ?? address;
 	}
 
 	set description(description: string | undefined) {