diff --git a/apps/files_texteditor/ajax/savefile.php b/apps/files_texteditor/ajax/savefile.php
index 961db7105e3371dd7da4036a94cc12dae1e6940f..f3ac323e32fd2f8653f277038865de010e1c5b43 100644
--- a/apps/files_texteditor/ajax/savefile.php
+++ b/apps/files_texteditor/ajax/savefile.php
@@ -26,6 +26,7 @@
 
 // Check if we are a user
 OCP\JSON::checkLoggedIn();
+OCP\JSON::callCheck();
 
 // Get paramteres
 $filecontents = isset($_POST['filecontents']) ? $_POST['filecontents'] : false;