diff --git a/.bin/Scripts/functions/setup.py b/.bin/Scripts/functions/setup.py
index 41ca3340..bd40f9e5 100644
--- a/.bin/Scripts/functions/setup.py
+++ b/.bin/Scripts/functions/setup.py
@@ -192,7 +192,7 @@ def config_explorer_user():
 
 def update_clock():
     """Set Timezone and sync clock."""
-    run_program(['tzutil' ,'/s', TIME_ZONE], check=False)
+    run_program(['tzutil' ,'/s', WINDOWS_TIME_ZONE], check=False)
     run_program(['net', 'stop', 'w32ime'], check=False)
     run_program(
         ['w32tm', '/config', '/syncfromflags:manual',