diff --git a/models/contract.go b/models/contract.go
index 6b38fd8..6e1e45a 100644
--- a/models/contract.go
+++ b/models/contract.go
@@ -2,6 +2,7 @@ package models
 
 type Contract struct {
 	Runners []Runner `json:"runners"`
+	Locale  string   `json:"locale" enums:"en,de"`
 }
 
 type Runner struct {