diff --git a/application/palemoon/components/preferences/aboutPermissions.js b/application/palemoon/components/preferences/aboutPermissions.js
index 0c3f8b8231..73d51909b1 100644
--- a/application/palemoon/components/preferences/aboutPermissions.js
+++ b/application/palemoon/components/preferences/aboutPermissions.js
@@ -552,6 +552,7 @@ var AboutPermissions = {
     Services.prefs.addObserver("dom.webnotifications.enabled", this, false);
     Services.prefs.addObserver("xpinstall.whitelist.required", this, false);
     Services.prefs.addObserver("geo.enabled", this, false);
+    Services.prefs.addObserver("dom.push.enabled", this, false);
     Services.prefs.addObserver("dom.indexedDB.enabled", this, false);
     Services.prefs.addObserver("plugins.click_to_play", this, false);
     Services.prefs.addObserver("full-screen-api.enabled", this, false);
@@ -705,6 +706,7 @@ var AboutPermissions = {
       Services.prefs.removeObserver("dom.webnotifications.enabled", this, false);
       Services.prefs.removeObserver("xpinstall.whitelist.required", this, false);
       Services.prefs.removeObserver("geo.enabled", this, false);
+      Services.prefs.removeObserver("dom.push.enabled", this, false);
       Services.prefs.removeObserver("dom.indexedDB.enabled", this, false);
       Services.prefs.removeObserver("plugins.click_to_play", this, false);
       Services.prefs.removeObserver("full-screen-api.enabled", this, false);