diff --git a/apps/files_versions/ajax/expireAll.php b/apps/files_versions/ajax/expireAll.php
index 4f165be0ae966686811c76ce8ac6e8246d4706b3..2a678c7f0a58e486acf0622dd54ea8b4997dfe7b 100644
--- a/apps/files_versions/ajax/expireAll.php
+++ b/apps/files_versions/ajax/expireAll.php
@@ -27,6 +27,7 @@
 // Check user and app status
 OCP\JSON::checkLoggedIn();
 OCP\App::checkAppEnabled('files_versions');
+OCP\JSON::callCheck();
 
 $versions = new OCA_Versions\Storage();
 
diff --git a/apps/files_versions/ajax/rollbackVersion.php b/apps/files_versions/ajax/rollbackVersion.php
index 8d1092f8b8e217f03bf59f97ec3896d6cd90beb3..24d71a914a4ebc2a3b10798a9370a073a3538bb2 100644
--- a/apps/files_versions/ajax/rollbackVersion.php
+++ b/apps/files_versions/ajax/rollbackVersion.php
@@ -1,6 +1,7 @@
 <?php
 
 OCP\JSON::checkAppEnabled('files_versions');
+OCP\JSON::callCheck();
 
 $userDirectory = "/".OCP\USER::getUser()."/files";
 
diff --git a/apps/files_versions/ajax/togglesettings.php b/apps/files_versions/ajax/togglesettings.php
index 86f614c5c8996618f46db964fbe6417be0babbff..546b37ae1aa85dc31054d759f681ed6aca633a09 100644
--- a/apps/files_versions/ajax/togglesettings.php
+++ b/apps/files_versions/ajax/togglesettings.php
@@ -2,6 +2,7 @@
 
 OCP\JSON::checkAppEnabled('files_versions');
 OCP\JSON::checkAdminUser();
+OCP\JSON::callCheck();
 if (OCP\Config::getSystemValue('versions', 'true')=='true') {
 	OCP\Config::setSystemValue('versions', 'false');
 } else {