diff --git a/app/models/project.rb b/app/models/project.rb
index f4f0e122d..b5b948a84 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -59,7 +59,7 @@ class Project < ActiveRecord::Base
     end
 
     def xml_rpc_create
-      result = BuildServer.create_project unixname, platform.unixname, repository.unixname
+      result = BuildServer.create_project unixname, repository.platform.unixname, repository.unixname
       if result == BuildServer::SUCCESS
         return true
       else