diff --git a/be/app/Http/Controllers/MasterTaskController.php b/be/app/Http/Controllers/MasterTaskController.php
index d58c29b..5685d5e 100644
--- a/be/app/Http/Controllers/MasterTaskController.php
+++ b/be/app/Http/Controllers/MasterTaskController.php
@@ -115,8 +115,8 @@ class MasterTaskController extends Controller
 
         $mastertask = MasterTask::find($id);
 
-        // ak je Master task v stave ukončený, nedovolime update
-        if ($mastertask->is_finished == 1) {
+        // ak je Master task v stave ukončený, nedovolime update. vynimkou je iba znovuotvorenie mastertasku
+        if ($mastertask->is_finished == 1 && isset($request->all()['data']['is_finished']) && $request->all()['data']['is_finished'] == 1) {
             return response()->json([
                 'message' => 'Cannot update mastertask with is_finished 1.',
             ], 400);
diff --git a/be/app/Http/Controllers/SubTaskController.php b/be/app/Http/Controllers/SubTaskController.php
index 8c3ae34..7dfcb39 100644
--- a/be/app/Http/Controllers/SubTaskController.php
+++ b/be/app/Http/Controllers/SubTaskController.php
@@ -162,8 +162,8 @@ class SubTaskController extends Controller
     {
         $subtask = SubTask::find($id);
 
-        // ak je sub task v stave ukončený, nedovolime update
-        if ($subtask->is_finished == 1) {
+        // ak je sub task v stave ukončený, nedovolime update. vynimkou je iba znovuotvorenie mastertasku
+        if ($subtask->is_finished == 1 && isset($request->all()['data']['is_finished']) && $request->all()['data']['is_finished'] == 1) {
             return response()->json([
                 'message' => 'Cannot update subtask with is_finished 1.',
             ], 400);