diff --git a/mozilla/mail/base/content/commandglue.js b/mozilla/mail/base/content/commandglue.js
index 7ccd474ca94..f33ebe01e65 100644
--- a/mozilla/mail/base/content/commandglue.js
+++ b/mozilla/mail/base/content/commandglue.js
@@ -477,7 +477,7 @@ function UpdateReceivedColumn(newFolder)
   }
   else if (newFolderShowsRcvd && tempHidden && isHidden)
   {
-    receivedColumn.removeAttribute("hidden");
+    receivedColumn.setAttribute("hidden", "false");
   }
   
   if (newFolderShowsRcvd)
diff --git a/mozilla/mailnews/base/resources/content/commandglue.js b/mozilla/mailnews/base/resources/content/commandglue.js
index 281e60f19e5..b18664377ca 100644
--- a/mozilla/mailnews/base/resources/content/commandglue.js
+++ b/mozilla/mailnews/base/resources/content/commandglue.js
@@ -512,7 +512,7 @@ function UpdateReceivedColumn(newFolder)
   }
   else if (newFolderShowsRcvd && tempHidden && isHidden)
   {
-    receivedColumn.removeAttribute("hidden");
+    receivedColumn.setAttribute("hidden", "false");
   }
 
   if (newFolderShowsRcvd)