diff --git a/mailnews/base/prefs/resources/content/SmtpServerList.js b/mailnews/base/prefs/resources/content/SmtpServerList.js
index b63126f2057c..d0707c42a313 100644
--- a/mailnews/base/prefs/resources/content/SmtpServerList.js
+++ b/mailnews/base/prefs/resources/content/SmtpServerList.js
@@ -107,6 +107,8 @@ function refreshServerList()
 {
     // save selection
     var oldSelectedIds = new Array;
+    serverList.clearItemSelection();
+    serverList.clearCellSelection();
     var selectedItems = serverList.selectedItems;
     for (var i=0; i< selectedItems.length; i++)
         oldSelectedIds[i] = selectedItems[0].id;