diff --git a/backup/restorelib.php b/backup/restorelib.php
index 0339dcbc2a9..c6b75284194 100644
--- a/backup/restorelib.php
+++ b/backup/restorelib.php
@@ -6731,7 +6731,7 @@
             $newcontext = get_context_instance($contextlevel, $oldinstance->new_id);
             $assignment->contextid = $newcontext->id; // new context id
             // might already have same assignment           
-            role_assign($assignment->roleid, $assignment->userid, 0, $assignment->contextid, $assignment->timestart, $assignment->timeend, $assignment->hidden, $assignment->enrol);
+            role_assign($assignment->roleid, $assignment->userid, 0, $assignment->contextid, $assignment->timestart, $assignment->timeend, $assignment->hidden, $assignment->enrol, $assignment->timemodified);
             
         }  
     }
diff --git a/lib/accesslib.php b/lib/accesslib.php
index 09727be5050..5d7f19ee975 100755
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -2096,7 +2096,7 @@ function get_roles_with_capability($capability, $permission=NULL, $context='') {
  * @uses $USER
  * @return id - new id of the assigment
  */
-function role_assign($roleid, $userid, $groupid, $contextid, $timestart=0, $timeend=0, $hidden=0, $enrol='manual') {
+function role_assign($roleid, $userid, $groupid, $contextid, $timestart=0, $timeend=0, $hidden=0, $enrol='manual',$timemodified='') {
     global $USER, $CFG;
 
     debugging("Assign roleid $roleid userid $userid contextid $contextid", DEBUG_DEVELOPER);
@@ -2133,6 +2133,9 @@ function role_assign($roleid, $userid, $groupid, $contextid, $timestart=0, $time
         return false;
     }
 
+    if (!$timemodified) {
+        $timemodified = time();  
+    }
 
 /// Check for existing entry
     if ($userid) {
@@ -2154,7 +2157,7 @@ function role_assign($roleid, $userid, $groupid, $contextid, $timestart=0, $time
     /// by repeating queries with the same exact parameters in a 100 secs time window
         $newra->timestart = round($timestart, -2);
         $newra->timeend = $timeend;
-        $newra->timemodified = time();
+        $newra->timemodified = $timemodified;
         $newra->modifierid = empty($USER->id) ? 0 : $USER->id;
 
         $success = insert_record('role_assignments', $newra);
@@ -2168,7 +2171,7 @@ function role_assign($roleid, $userid, $groupid, $contextid, $timestart=0, $time
     /// by repeating queries with the same exact parameters in a 100 secs time window
         $newra->timestart = round($timestart, -2);
         $newra->timeend = $timeend;
-        $newra->timemodified = time();
+        $newra->timemodified = $timemodified;
         $newra->modifierid = empty($USER->id) ? 0 : $USER->id;
 
         $success = update_record('role_assignments', $newra);