diff --git a/content/liberator.js b/content/liberator.js
index d88f0e51..ce13eb27 100644
--- a/content/liberator.js
+++ b/content/liberator.js
@@ -50,7 +50,8 @@ const liberator = (function () //{{{
         catch (e)
         {
             toJavaScriptConsole();
-            Components.utils.reportError(e);
+            if (Components.utils.reportError)
+                Components.utils.reportError(e);
             liberator.dump(e + "\n");
             liberator.dump(e.stack + "\n");
         }