diff --git a/src/vs/editor/browser/services/openerService.ts b/src/vs/editor/browser/services/openerService.ts
index ffb075f20b51d..dda4627ecca7b 100644
--- a/src/vs/editor/browser/services/openerService.ts
+++ b/src/vs/editor/browser/services/openerService.ts
@@ -224,8 +224,8 @@ export class OpenerService implements IOpenerService {
 			// open the url-string AS IS
 			href = resource;
 		} else {
-			// open URI using the toString(noEncode)+encodeURI-trick
-			href = encodeURI(externalUri.toString(true));
+			// open URI via "new URL(...).href encoding"
+			href = new URL(externalUri.toString(true)).href;
 		}
 
 		if (options?.allowContributedOpeners) {