diff --git a/src/lists/list-item.jsx b/src/lists/list-item.jsx
index d9c71fd0331caf..5f093960a145fa 100644
--- a/src/lists/list-item.jsx
+++ b/src/lists/list-item.jsx
@@ -78,6 +78,7 @@ const ListItem = React.createClass({
       onMouseLeave: () => {},
       onNestedListToggle: () => {},
       onTouchStart: () => {},
+      primaryTogglesNestedList: false,
       secondaryTextLines: 1,
     };
   },