diff --git a/attached_assets/image_1754936873392.png b/attached_assets/image_1754936873392.png
new file mode 100644
index 0000000..99b026c
Binary files /dev/null and b/attached_assets/image_1754936873392.png differ
diff --git a/client/src/pages/Users.tsx b/client/src/pages/Users.tsx
index 9697557..dc30a90 100644
--- a/client/src/pages/Users.tsx
+++ b/client/src/pages/Users.tsx
@@ -917,14 +917,13 @@ export default function UsersPage() {
               </div>
 
               <div>
-                <Label htmlFor="edit-email">Email *</Label>
+                <Label htmlFor="edit-email">Email</Label>
                 <Input
                   id="edit-email"
                   type="email"
                   value={editForm.email}
                   onChange={(e) => setEditForm({...editForm, email: e.target.value})}
-                  placeholder="email@exemple.com"
-                  required
+                  placeholder="email@exemple.com (optionnel)"
                 />
               </div>
 
diff --git a/server/routes.ts b/server/routes.ts
index 7c2ebe9..f03f7ce 100644
--- a/server/routes.ts
+++ b/server/routes.ts
@@ -937,7 +937,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
         role: z.enum(['admin', 'manager', 'employee']).optional(),
         firstName: z.string().optional(),
         lastName: z.string().optional(),
-        email: z.string().email().optional(),
+        email: z.union([z.string().email(), z.literal("")]).optional(),
         password: z.string().optional(),
       });