diff --git a/app/Controller/SubtaskConverterController.php b/app/Controller/SubtaskConverterController.php
index 5be032ea6..acda22147 100644
--- a/app/Controller/SubtaskConverterController.php
+++ b/app/Controller/SubtaskConverterController.php
@@ -26,6 +26,12 @@ class SubtaskConverterController extends BaseController
         $task = $this->getTask();
         $subtask = $this->getSubtask($task);
 
+        if (! $this->helper->projectRole->canCreateTaskInColumn($task['project_id'], $task['column_id'])) {
+            $this->flash->failure(t('You cannot create tasks in this column.'));
+            $this->response->redirect($this->helper->url->to('TaskViewController', 'show', ['task_id' => $task['id']]));
+            return;
+        }
+
         $task_id = $this->subtaskTaskConversionModel->convertToTask($task['project_id'], $subtask['id']);
 
         if ($task_id !== false) {
diff --git a/app/Template/subtask/menu.php b/app/Template/subtask/menu.php
index f62e6f23e..30d28c783 100644
--- a/app/Template/subtask/menu.php
+++ b/app/Template/subtask/menu.php
@@ -7,8 +7,10 @@
         <li>
             <?= $this->modal->confirm('trash-o', t('Remove'), 'SubtaskController', 'confirm', array('task_id' => $task['id'], 'subtask_id' => $subtask['id'])) ?>
         </li>
+        <?php if ($this->projectRole->canCreateTaskInColumn($task['project_id'], $task['column_id'])): ?>
         <li>
             <?= $this->modal->confirm('clone', t('Convert to task'), 'SubtaskConverterController', 'show', array('task_id' => $task['id'], 'subtask_id' => $subtask['id'])) ?>
         </li>
+        <?php endif ?>
     </ul>
 </div>