diff --git a/Socialmetrica.package/TwitterUser.class/class/reStoreDefinition.st b/Socialmetrica.package/TwitterUser.class/class/reStoreDefinition.st
index e8e7b22..275dcb1 100644
--- a/Socialmetrica.package/TwitterUser.class/class/reStoreDefinition.st
+++ b/Socialmetrica.package/TwitterUser.class/class/reStoreDefinition.st
@@ -5,4 +5,5 @@ reStoreDefinition
 		define: #userName as: String;
 		define: #profileImageUrl as: String;
 		define: #profileBio as: String;
+		define: #createdAt as: String;
 		yourself.
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