diff --git a/mobile/android/chrome/content/browser.js b/mobile/android/chrome/content/browser.js
index 99711368c092..b3128e5258a2 100644
--- a/mobile/android/chrome/content/browser.js
+++ b/mobile/android/chrome/content/browser.js
@@ -2686,6 +2686,14 @@ Tab.prototype = {
             this.browser.removeEventListener("pagehide", listener, true);
           }.bind(this), true);
         }
+
+        if (/^about:reader/.test(target.documentURI)) {
+          let aboutReader = new AboutReader(this.browser.contentDocument, this.browser.contentWindow);
+          this.browser.addEventListener("pagehide", function listener() {
+            aboutReader.uninit();
+            this.browser.removeEventListener("pagehide", listener, true);
+          }.bind(this), true);
+        }
         break;
       }
 
@@ -2935,14 +2943,6 @@ Tab.prototype = {
           }
         });
 
-        if (/^about:reader/.test(aEvent.originalTarget.documentURI)) {
-          let aboutReader = new AboutReader(this.browser.contentDocument, this.browser.contentWindow);
-          this.browser.addEventListener("pagehide", function listener() {
-            aboutReader.uninit();
-            this.browser.removeEventListener("pagehide", listener, true);
-          }.bind(this), true);
-        }
-
         // Once document is fully loaded, parse it
         Reader.parseDocumentFromTab(this.id, function (article) {
           // Do nothing if there's no article or the page in this tab has