--- a/toolkit/components/telemetry/TelemetryReportingPolicy.jsm
+++ b/toolkit/components/telemetry/TelemetryReportingPolicy.jsm
@@ -425,17 +425,17 @@ var TelemetryReportingPolicyImpl = {
   /**
    * Try to open the privacy policy in a background tab instead of showing the infobar.
    */
   _openFirstRunPage() {
     if (!this._shouldNotify()) {
       return false;
     }
 
-    let firstRunPolicyURL = Services.prefs.getStringPref(TelemetryUtils.Preferences.FirsRunURL, "");
+    let firstRunPolicyURL = Services.prefs.getStringPref(TelemetryUtils.Preferences.FirstRunURL, "");
     if (!firstRunPolicyURL) {
       return false;
     }
     firstRunPolicyURL = Services.urlFormatter.formatURL(firstRunPolicyURL);
 
     let win;
     try {
       const { RecentWindow } = Cu.import("resource:///modules/RecentWindow.jsm", {});