diff --git a/UI/WebServerResources/UIxPreferences.js b/UI/WebServerResources/UIxPreferences.js
index 59180743f..89fde2e30 100644
--- a/UI/WebServerResources/UIxPreferences.js
+++ b/UI/WebServerResources/UIxPreferences.js
@@ -214,7 +214,7 @@ function updateSieveFilterRow(filterTable, number, filter) {
 function _editFilter(filterId) {
     var urlstr = ApplicationBaseURL + "editFilter?filter=" + filterId;
     var win = window.open(urlstr, "sieve_filter_" + filterId,
-                          "width=450,height=380,resizable=0");
+                          "width=560,height=380,resizable=0");
     if (win)
         win.focus();
 }