diff --git a/src/components/FormModal.tsx b/src/components/FormModal.tsx
index a67e4d4..845839f 100644
--- a/src/components/FormModal.tsx
+++ b/src/components/FormModal.tsx
@@ -52,7 +52,10 @@ export default function FormModal({ activityId, instanceId, title, onClose, onSu
   useEffect(() => {
     getFormScreen(activityId, instanceId)
       .then((res: any) => {
-        const f: FormField[] = res.fields ?? res.form_json?.fields ?? [];
+        const raw: FormField[] = res.fields ?? res.form_json?.fields ?? [];
+        const f = raw
+          .filter((field) => field.data_type !== "lookup")
+          .map((field) => ({ ...field, mandatory: false }));
         setFields(f);
         setGridConfig(res.grid_config ?? []);
         setFormTitle(res.activity_name || title || "Form");