diff --git a/addon/list-view-mixin.js b/addon/list-view-mixin.js
index <HASH>..<HASH> 100644
--- a/addon/list-view-mixin.js
+++ b/addon/list-view-mixin.js
@@ -99,9 +99,7 @@ export default Ember.Mixin.create({
   paddingCount: 1,
   _cachedPos: 0,
 
-  _isGrid: Ember.computed('columnCount', function() {
-    return this.get('columnCount') > 1;
-  }).readOnly(),
+  _isGrid: Ember.computed.gt('columnCount', 1),
 
   /**
     @private
improve computed isGrid to native function