diff --git a/services/web/frontend/js/features/settings/components/leave/modal-form.tsx b/services/web/frontend/js/features/settings/components/leave/modal-form.tsx
index 1c3d85dfd3..901a85e25e 100644
--- a/services/web/frontend/js/features/settings/components/leave/modal-form.tsx
+++ b/services/web/frontend/js/features/settings/components/leave/modal-form.tsx
@@ -64,7 +64,7 @@ function LeaveModalForm({
   useEffect(() => {
     setIsFormValid(
       !!email &&
-        email === userDefaultEmail &&
+        email.toLowerCase() === userDefaultEmail.toLowerCase() &&
         password.length > 0 &&
         confirmation
     )
diff --git a/services/web/test/frontend/features/settings/components/leave/modal-form.test.tsx b/services/web/test/frontend/features/settings/components/leave/modal-form.test.tsx
index 501dedb6f0..7229b81eb4 100644
--- a/services/web/test/frontend/features/settings/components/leave/modal-form.test.tsx
+++ b/services/web/test/frontend/features/settings/components/leave/modal-form.test.tsx
@@ -28,7 +28,7 @@ describe('<LeaveModalForm />', function () {
     )
 
     const emailInput = screen.getByLabelText('Email')
-    fireEvent.change(emailInput, { target: { value: 'foo@bar.com' } })
+    fireEvent.change(emailInput, { target: { value: 'FOO@bar.com' } })
 
     const passwordInput = screen.getByLabelText('Password')
     fireEvent.change(passwordInput, { target: { value: 'foobar' } })