diff --git a/web/src/pages/TasksPage/TasksPage.jsx b/web/src/pages/TasksPage/TasksPage.jsx
index 2602436..fb18a99 100644
--- a/web/src/pages/TasksPage/TasksPage.jsx
+++ b/web/src/pages/TasksPage/TasksPage.jsx
@@ -110,15 +110,11 @@ export default function TasksPage() {
     try {
       setLoadingUpdate(true);
 
-      await Promise.all(
-        formData.org_unit_id.map((orgUnitId) =>
-          TasksApi.create({
-            year: Number(formData.year),
-            form_type_code: formData.formTypeCode,
-            org_unit_id: orgUnitId,
-          }),
-        ),
-      );
+      await TasksApi.create({
+        year: Number(formData.year),
+        form_type_code: formData.formTypeCode,
+        org_unit_ids: formData.org_unit_id,
+      });
 
       setPage(1);
       loadTasks(1, limit);