diff --git a/src/app/api/auth/register/route.ts b/src/app/api/auth/register/route.ts
index aca1c4d..c3713f6 100644
--- a/src/app/api/auth/register/route.ts
+++ b/src/app/api/auth/register/route.ts
@@ -12,7 +12,6 @@ import registerSchema from "@/validators/registerSchema";
 async function handler(request: NextRequest): Promise<NextResponse> {
   try {
     const data = await request.json();
-
     const validatedData = registerSchema.parse(data);
 
     const userData: RegisterUser = {
diff --git a/src/components/form/Register.tsx b/src/components/form/Register.tsx
index 49c703b..efad679 100644
--- a/src/components/form/Register.tsx
+++ b/src/components/form/Register.tsx
@@ -47,6 +47,7 @@ const Register = () => {
       await registerUserApi({
         email: data.email,
         password: data.password,
+        confirmPassword: data.confirmPassword,
         username: data.username,
         name: data.name,
         lastName: data.lastName,
diff --git a/src/validators/registerSchema.ts b/src/validators/registerSchema.ts
index 9715a9d..67d5af7 100644
--- a/src/validators/registerSchema.ts
+++ b/src/validators/registerSchema.ts
@@ -19,29 +19,33 @@ const registerSchema = z
       .refine((value) => value.trim().length > 0, {
         message: "Ce champ est requis",
       }),
-    dateOfBirth: z
-      .string({ required_error: "Ce champ est requis" })
-      .refine(
-        (val) => {
-          const date = new Date(val);
-          if (isNaN(date.getTime())) {
-            return false;
-          }
-          return true;
-        },
-        {
-          message: "Date invalide",
-        },
-      )
-      .refine(
-        (val) => {
-          const date = new Date(val);
-          return date <= new Date();
-        },
-        {
-          message: "La date ne peut pas être dans le futur",
-        },
-      ),
+    dateOfBirth: z.preprocess(
+      (val) => {
+        if (typeof val === "string") return val;
+        if (val instanceof Date) return val.toISOString();
+        return "";
+      },
+      z
+        .string({ required_error: "Ce champ est requis" })
+        .refine(
+          (val) => {
+            const date = new Date(val);
+            return !isNaN(date.getTime());
+          },
+          {
+            message: "Date invalide",
+          },
+        )
+        .refine(
+          (val) => {
+            const date = new Date(val);
+            return date <= new Date();
+          },
+          {
+            message: "La date ne peut pas être dans le futur",
+          },
+        ),
+    ),
     email: z
       .string({ required_error: "Ce champ est requis" })
       .email({ message: "Email invalide" })