diff --git a/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd b/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd
index de1855454b4..9d9a067f154 100644
--- a/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd
+++ b/toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd
@@ -112,3 +112,5 @@
 <!ENTITY installIncompatibleUpdate.label  "Checking compatibility...">
 <!ENTITY installFinishing.label           "Installing...">
 <!ENTITY installFailure.label             "Install failed.">
+
+<!ENTITY progressStatus.label             "Checking For Updates">
diff --git a/toolkit/mozapps/extensions/content/extensions.xul b/toolkit/mozapps/extensions/content/extensions.xul
index 2ec1aa002c4..d5fc4d28d27 100644
--- a/toolkit/mozapps/extensions/content/extensions.xul
+++ b/toolkit/mozapps/extensions/content/extensions.xul
@@ -156,7 +156,7 @@
       <spacer flex="1"/>
       <hbox>
         <image class="addonThrobber"/>
-        <label id="progressStatus" value="Checking For Updates"/>
+        <label id="progressStatus" value="&progressStatus.label;"/>
       </hbox>
       <progressmeter id="addonsProgress" class="extension-item-progress" flex="1"/>
       <spacer flex="1"/>