diff --git a/mailnews/base/search/resources/content/FilterListDialog.js b/mailnews/base/search/resources/content/FilterListDialog.js
index 4dc129b2544..7610d0f0fa6 100644
--- a/mailnews/base/search/resources/content/FilterListDialog.js
+++ b/mailnews/base/search/resources/content/FilterListDialog.js
@@ -235,11 +235,10 @@ function setServer(uri)
    gCurrentServerURI = uri;
 }
 
-function toggleFilter(aFilterURI)
+function toggleFilter(aResource)
 {
-    var filterResource = gRDF.GetResource(aFilterURI);
-    var filter = filterResource.GetDelegate("filter",
-                                            Components.interfaces.nsIMsgFilter);
+    var filter = aResource.GetDelegate("filter",
+                                       Components.interfaces.nsIMsgFilter);
     if (filter.unparseable)
     {
       if (gPromptService)
@@ -605,8 +604,7 @@ function onFilterClick(event)
     }
         
     if (col.value.id == "activeColumn") {
-      var res = filterTree.builderView.getResourceAtIndex(row.value);
-      toggleFilter(res.Value);
+      toggleFilter(filterTree.builderView.getResourceAtIndex(row.value));
     }
 }
 
@@ -641,8 +639,7 @@ function onFilterTreeKeyPress(event)
     var start = {}, end = {};
     gFilterTree.view.selection.getRangeAt(i, start, end);
     for (var k = start.value; k <= end.value; ++k) {
-      var res = gFilterTree.builderView.getResourceAtIndex(k);
-      toggleFilter(res.Value);
+      toggleFilter(gFilterTree.builderView.getResourceAtIndex(k));
     }
   }
 }