diff --git a/src/client/components/signup.vue b/src/client/components/signup.vue
index 7e8bac776..6452afc88 100644
--- a/src/client/components/signup.vue
+++ b/src/client/components/signup.vue
@@ -105,6 +105,7 @@ export default Vue.extend({
 			return this.submitting ||
 				this.meta.tosUrl && !this.ToSAgreement ||
 				this.meta.enableHcaptcha && !this.hCaptchaResponse ||
+				this.meta.enableRecaptcha && !this.reCaptchaResponse ||
 				this.passwordRetypeState == 'not-match';
 		},