diff --git a/frontend-prep/src/api/api_types.ts b/frontend-prep/src/api/api_types.ts
index ba383fed..b7f47058 100644
--- a/frontend-prep/src/api/api_types.ts
+++ b/frontend-prep/src/api/api_types.ts
@@ -575,6 +575,7 @@ export interface CompletedOrder {
     status: string;
     adresse: string;
     total_prix: number;
+    referral_used?: number;
     livreur_assign?: string;
     created_at: string;
     updated_at: string;
diff --git a/mobile/src/api/api_types.ts b/mobile/src/api/api_types.ts
index 2fa73144..88a2e41a 100644
--- a/mobile/src/api/api_types.ts
+++ b/mobile/src/api/api_types.ts
@@ -568,6 +568,7 @@ export interface CompletedOrder {
     status: string;
     adresse: string;
     total_prix: number;
+    referral_used?: number;
     livreur_assign?: string;
     created_at: string;
     updated_at: string;