diff --git a/calendar/inc/class.bocalendar.inc.php b/calendar/inc/class.bocalendar.inc.php
index 9d9fa489cb..4ee6596fc1 100755
--- a/calendar/inc/class.bocalendar.inc.php
+++ b/calendar/inc/class.bocalendar.inc.php
@@ -2760,7 +2760,7 @@
 			}
 
 			$GLOBALS['phpgw_info']['user']['preferences']['common']['tz_offset'] = $temp_tz_offset;
-			$GLBOALS['phpgw']->datetime->tz_offset = ((60 * 60) * $temp_tz_offset);
+			$GLOBALS['phpgw']->datetime->tz_offset = ((60 * 60) * $temp_tz_offset);
 			$GLOBALS['phpgw_info']['user']['preferences']['common']['timeformat'] = $temp_timeformat;
 			$GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat'] = $temp_dateformat;