diff --git a/db/migrations/000002_create_versions_table.rb b/db/migrations/000002_create_versions_table.rb
index 6834f9e2b..52e26e84b 100644
--- a/db/migrations/000002_create_versions_table.rb
+++ b/db/migrations/000002_create_versions_table.rb
@@ -6,7 +6,7 @@
       String :number
       String :repository_ref
       foreign_key :pacticipant_id, :pacticipants, :null=>false
-      index [:pacticipant_id, :number], :unique=>true
+      index [:pacticipant_id, :number], :unique => true
     end
   end