diff --git a/src/views/Register.vue b/src/views/Register.vue
index aafef36..f5f6c2b 100644
--- a/src/views/Register.vue
+++ b/src/views/Register.vue
@@ -277,7 +277,7 @@ const state = reactive({
 const toast = useToast();
 function login() {
   userdetails = userdetails.value;
-  if (userdetails.phone === "" || isMobilePhone(userdetails.phone)) {
+  if (userdetails?.phone === "" || isMobilePhone(userdetails.phone)) {
     if (isEmail(userdetails.mail)) {
       let postdata = {
         "email": userdetails.mail,