diff --git a/src/components/sprite-selector.js b/src/components/sprite-selector.js
index e126b6f3ce3daf3df3eed4706dde07bfce55aae3..93ddcb389b2237828aa7e5e8e684d5631e395933 100644
--- a/src/components/sprite-selector.js
+++ b/src/components/sprite-selector.js
@@ -34,7 +34,7 @@ SpriteSelectorComponent.propTypes = {
             name: React.PropTypes.string
         })
     ),
-    value: React.PropTypes.string
+    value: React.PropTypes.arrayOf(React.PropTypes.string)
 };
 
 module.exports = SpriteSelectorComponent;