diff --git a/files/helpers/wrappers.py b/files/helpers/wrappers.py
index 1caf45d85f..4930c53017 100644
--- a/files/helpers/wrappers.py
+++ b/files/helpers/wrappers.py
@@ -10,7 +10,8 @@ import time
 
 def calc_users(v):
 	# Some globals we expect aren't available when rendering error pages
-	if not g or not g.agent or not session or not ('session_id' in session):
+	if (not g or not hasattr(g, 'agent')
+			or not session or not ('session_id' in session)):
 		return ''
 
 	loggedin = cache.get(f'{SITE}_loggedin') or {}