diff --git a/infolog/inc/class.infolog_tracking.inc.php b/infolog/inc/class.infolog_tracking.inc.php
index 09821b3507..f21be618c1 100644
--- a/infolog/inc/class.infolog_tracking.inc.php
+++ b/infolog/inc/class.infolog_tracking.inc.php
@@ -56,6 +56,7 @@ class infolog_tracking extends bo_tracking
 		'info_status'        => 'St',
 		'info_percent'       => 'Pe',
 		'info_datecompleted' => 'Co',
+		'info_datemodified'  => 'Mo',
 		'info_location'      => 'Lo',
 		'info_startdate'     => 'st',
 		'info_enddate'       => 'En',
@@ -88,6 +89,7 @@ class infolog_tracking extends bo_tracking
 		'info_status'    => 'Status',
 		'info_percent'   => 'Completed',
 		'info_datecompleted' => 'Date completed',
+		'info_datemodified' => 'Last changed',
 		'info_location'  => 'Location',
 		'info_startdate' => 'Startdate',
 		'info_enddate'   => 'Enddate',
@@ -250,6 +252,48 @@ class infolog_tracking extends bo_tracking
 		return $details;
 	}
 
+	/**
+	 * Track changes
+	 * 
+	 * Overrides parent to log the modified date in the history, but not to send a notification
+	 *
+         * @param array $data current entry
+         * @param array $old=null old/last state of the entry or null for a new entry
+         * @param int $user=null user who made the changes, default to current user
+         * @param boolean $deleted=null can be set to true to let the tracking know the item got deleted or undeleted
+         * @param array $changed_fields=null changed fields from ealier call to $this->changed_fields($data,$old), to not compute it again
+         * @param boolean $skip_notification=false do NOT send any notification
+         * @return int|boolean false on error, integer number of changes logged or true for new entries ($old == null)
+         */
+        public function track(array $data,array $old=null,$user=null,$deleted=null,array $changed_fields=null,$skip_notification=false)
+        {
+                $this->user = !is_null($user) ? $user : $GLOBALS['egw_info']['user']['account_id'];
+
+                $changes = true;
+
+                if ($old && $this->field2history)
+                {
+                        $changes = $this->save_history($data,$old,$deleted,$changed_fields);
+                }
+
+		// Don't notify if the only change was to the modified date
+		if(is_null($changed_fields))
+		{
+			$changed_fields = $this->changed_fields($data, $old);
+		}
+		if(is_array($changed_fields) && $changes == 1 && in_array('info_datemodified', $changed_fields))
+		{
+			return count($changes);
+		}
+
+                // do not run do_notifications if we have no changes
+                if ($changes && !$skip_notification && !$this->do_notifications($data,$old,$deleted))
+                {
+                        $changes = false;
+                }
+                return $changes;
+        }
+
 	/**
 	 * Save changes to the history log
 	 *