diff --git a/src/controllers/clientsController.ts b/src/controllers/clientsController.ts
index 9b97223..4fbb63b 100644
--- a/src/controllers/clientsController.ts
+++ b/src/controllers/clientsController.ts
@@ -8,6 +8,6 @@ export const clientsController = new Elysia({ prefix: "/clients" })
     body: t.Object({
       name: t.String(),
       phone: t.String(),
-      email: t.Optional(t.String()),
+      email: t.Nullable(t.String()),
     }),
   });
diff --git a/src/services/clients/create.ts b/src/services/clients/create.ts
index 9451369..4f36bc4 100644
--- a/src/services/clients/create.ts
+++ b/src/services/clients/create.ts
@@ -11,7 +11,7 @@ async function createClient(
   body: {
     name: string;
     phone: string;
-    email?: string;
+    email: string | null;
   }
 ) {
   try {