diff --git a/be/app/Listeners/SendNewSubTaskEmailNotification.php b/be/app/Listeners/SendNewSubTaskEmailNotification.php
index 826e037..b2c2706 100644
--- a/be/app/Listeners/SendNewSubTaskEmailNotification.php
+++ b/be/app/Listeners/SendNewSubTaskEmailNotification.php
@@ -31,6 +31,17 @@ class SendNewSubTaskEmailNotification implements ShouldQueue
      */
     public function handle(SubTaskCreated $event)
     {
-        Mail::to($event->subtask->user->email)->send(new NewTask($event->subtask));
+        // ked je v subtasku viacej userov, tak poslem 1 email notifikaciu so vsetkymi usermi, ktori su v master tasku
+        if (count($event->subtask->mastertask->subtasks) > 1) {
+            $emails = $event->subtask->mastertask->all_users_in_master_task->pluck('email')->unique()->toArray();
+
+            if (empty($emails)) {
+                return;
+            }
+
+            Mail::to($emails)->send(new NewTask($event->subtask));
+        } else {
+            Mail::to($event->subtask->user->email)->send(new NewTask($event->subtask));
+        }
     }
 }
diff --git a/be/resources/views/emails/task/sub_task_created.blade.php b/be/resources/views/emails/task/sub_task_created.blade.php
index 6441e1d..2600769 100644
--- a/be/resources/views/emails/task/sub_task_created.blade.php
+++ b/be/resources/views/emails/task/sub_task_created.blade.php
@@ -20,18 +20,20 @@ Odkaz na Task: {{ url( env( 'APP_URL_FE' ) . '/#/app/dashboard/tasks?subtask=' .
     $pattern_mac = '/\\\\serverjl\\\\[^ ]*/';
 
     // Define the callback function to replace links
-    function replace_smb_links($matches) {
-        $link = $matches[0];
-        if (strpos($link, 'smb://serverjl') === 0) {
-            // Windows link
-            $windows_link = str_replace('smb://serverjl', '\\\\serverjl\\', $link);
-            return "<br>Windows: $windows_link <br> Mac: $link <br>";
-        } elseif (strpos($link, '\\\\serverjl\\') === 0) {
-            // Mac link
-            $mac_link = str_replace('\\\\serverjl\\', 'smb://serverjl', $link);
-            return "<br>Windows: $link <br> Mac: $mac_link <br>";
-        }
-        return $link; // In case no pattern matches, return the original link
+    if (!function_exists('replace_smb_links')) {
+            function replace_smb_links($matches) {
+                $link = $matches[0];
+                if (strpos($link, 'smb://serverjl') === 0) {
+                    // Windows link
+                    $windows_link = str_replace('smb://serverjl', '\\\\serverjl\\', $link);
+                    return "<br>Windows: $windows_link <br> Mac: $link <br>";
+                } elseif (strpos($link, '\\\\serverjl\\') === 0) {
+                    // Mac link
+                    $mac_link = str_replace('\\\\serverjl\\', 'smb://serverjl', $link);
+                    return "<br>Windows: $link <br> Mac: $mac_link <br>";
+                }
+                return $link; // In case no pattern matches, return the original link
+            }
     }
 
     // Replace SMB links using the callback function