diff --git a/apps/files_encryption/appinfo/app.php b/apps/files_encryption/appinfo/app.php
index 82d2544dd1455d4525a8b9243a885ec7749cac6c..23f3955aa406a931deec7dc81fe1cd3db6757dad 100644
--- a/apps/files_encryption/appinfo/app.php
+++ b/apps/files_encryption/appinfo/app.php
@@ -9,3 +9,9 @@ OC_FileProxy::register(new OC_FileProxy_Encryption());
 OC_Hook::connect('OC_User','post_login','OC_Crypt','loginListener');
 
 stream_wrapper_register('crypt','OC_CryptStream');
+
+if(!isset($_SESSION['enckey']) and OC_User::isLoggedIn()){//force the user to re-loggin if the encryption key isn't unlocked (happens when a user is logged in before the encryption app is enabled)
+	OC_User::logout();
+	header("Location: ".OC::$WEBROOT.'/');
+	exit();
+}