diff --git a/mozilla/docshell/resources/content/netError.xhtml b/mozilla/docshell/resources/content/netError.xhtml
index 58f2b2849ab..882c162c367 100644
--- a/mozilla/docshell/resources/content/netError.xhtml
+++ b/mozilla/docshell/resources/content/netError.xhtml
@@ -159,6 +159,7 @@
         <h1 id="et_deniedPortAccess">&deniedPortAccess.title;</h1>
         <h1 id="et_proxyResolveFailure">&proxyResolveFailure.title;</h1>
         <h1 id="et_proxyConnectFailure">&proxyConnectFailure.title;</h1>
+        <h1 id="et_contentEncodingError">&contentEncodingError.title;</h1>
       </div>
       <div id="errorDescriptionsContainer">
         <div id="ed_generic">&generic.longDesc;</div>
@@ -176,6 +177,7 @@
         <div id="ed_deniedPortAccess">&deniedPortAccess.longDesc;</div>
         <div id="ed_proxyResolveFailure">&proxyResolveFailure.longDesc;</div>
         <div id="ed_proxyConnectFailure">&proxyConnectFailure.longDesc;</div>
+        <div id="ed_contentEncodingError">&contentEncodingError.longDesc;</div>
       </div>
     </div>