diff --git a/src/keyring/localstore.js b/src/keyring/localstore.js
index e3877431..555926ac 100644
--- a/src/keyring/localstore.js
+++ b/src/keyring/localstore.js
@@ -36,7 +36,7 @@ function LocalStore(item) {
   }
 }
 
-LocalStore.item = 'armoredKeys';
+LocalStore.prototype.item = 'armoredKeys';
 
 /**
  * Load the keyring from HTML5 local storage and initializes this instance.