diff --git a/src/vs/base/browser/dom.ts b/src/vs/base/browser/dom.ts
index da960104877449e7b91bd01b2c5be557cb0ddb58..b1835429f3c7c05327008f82afeb615b74e9b54e 100644
--- a/src/vs/base/browser/dom.ts
+++ b/src/vs/base/browser/dom.ts
@@ -1403,7 +1403,7 @@ function toBinary(str: string): string {
 	let binary = '';
 	const uint8array = new Uint8Array(codeUnits.buffer);
 	for (let i = 0; i < uint8array.length; i++) {
-	    	binary += String.fromCharCode(uint8array[i]);
+		binary += String.fromCharCode(uint8array[i]);
 	}
 	return binary;
 }