diff --git a/pages/clients.vue b/pages/clients.vue
index 83de69b..d462765 100644
--- a/pages/clients.vue
+++ b/pages/clients.vue
@@ -84,7 +84,7 @@ const formData = ref<any>({
 
 function normalizeForm() {
   for (const i in formData.value)
-    formData.value[i] = formData.value[i] === "" ? null : formData.value[i];
+    formData.value[i] = formData.value[i] === "" || formData.value[i] === undefined ? null : formData.value[i];
 }
 
 async function handleSubmit() {