diff --git a/packages/twenty-front/src/modules/auth/sign-in-up/components/SignInUpForm.tsx b/packages/twenty-front/src/modules/auth/sign-in-up/components/SignInUpForm.tsx
index c4b690e41..a5823db43 100644
--- a/packages/twenty-front/src/modules/auth/sign-in-up/components/SignInUpForm.tsx
+++ b/packages/twenty-front/src/modules/auth/sign-in-up/components/SignInUpForm.tsx
@@ -127,7 +127,7 @@ export const SignInUpForm = () => {
 
   const isEmailStepSubmitButtonDisabledCondition =
     signInUpStep === SignInUpStep.Email &&
-    (form.watch('email').length === 0 || shouldWaitForCaptchaToken);
+    (form.watch('email')?.length === 0 || shouldWaitForCaptchaToken);
 
   // TODO: isValid is actually a proxy function. If it is not rendered the first time, react might not trigger re-renders
   // We make the isValid check synchronous and update a reactState to make sure this does not happen