diff --git a/config/session.php b/config/session.php
index f0b6541e..ba0aa60b 100644
--- a/config/session.php
+++ b/config/session.php
@@ -32,7 +32,7 @@
     |
     */
 
-    'lifetime' => env('SESSION_LIFETIME', 120),
+    'lifetime' => (int) env('SESSION_LIFETIME', 120),
 
     'expire_on_close' => env('SESSION_EXPIRE_ON_CLOSE', false),