--- a/toolkit/content/browser-content.js
+++ b/toolkit/content/browser-content.js
@@ -349,19 +349,21 @@ let PopupBlocking = {
 
   updateBlockedPopups: function(freshPopup) {
     sendAsyncMessage("PopupBlocking:UpdateBlockedPopups",
                      {blockedPopups: this.popupData, freshPopup: freshPopup});
   },
 };
 PopupBlocking.init();
 
-// Set up console.* for frame scripts.
-let Console = Components.utils.import("resource://gre/modules/devtools/Console.jsm", {});
-this.console = new Console.ConsoleAPI();
+XPCOMUtils.defineLazyGetter(this, "console", () => {
+  // Set up console.* for frame scripts.
+  let Console = Components.utils.import("resource://gre/modules/devtools/Console.jsm", {});
+  return new Console.ConsoleAPI();
+});
 
 let Printing = {
   // Bug 1088061: nsPrintEngine's DoCommonPrint currently expects the
   // progress listener passed to it to QI to an nsIPrintingPromptService
   // in order to know that a printing progress dialog has been shown. That's
   // really all the interface is used for, hence the fact that I don't actually
   // implement the interface here. Bug 1088061 has been filed to remove
   // this hackery.