diff --git a/browser/components/privatebrowsing/src/nsPrivateBrowsingService.js b/browser/components/privatebrowsing/src/nsPrivateBrowsingService.js
index 513d4a03b96d..f6d47a9b6c4f 100644
--- a/browser/components/privatebrowsing/src/nsPrivateBrowsingService.js
+++ b/browser/components/privatebrowsing/src/nsPrivateBrowsingService.js
@@ -472,6 +472,7 @@ PrivateBrowsingService.prototype = {
     else if (aCmdLine.handleFlag("private-toggle", false)) {
       this.privateBrowsingEnabled = !this.privateBrowsingEnabled;
       this._autoStarted = false;
+    }
   },
 
   get helpInfo PBS_get_helpInfo() {