diff --git a/user/index.php b/user/index.php
index 5b43d982082..47615b9ded0 100644
--- a/user/index.php
+++ b/user/index.php
@@ -145,49 +145,51 @@
         }
     }
 
-    // get minimum lastaccess for this course and display a dropbox to filter by lastaccess going back this far.
-    $minlastaccess = get_field_sql('SELECT min(timeaccess) FROM '.$CFG->prefix.'user_students WHERE course = '.$course->id.' AND timeaccess != 0');
-
-    $lastaccess0exists = record_exists('user_students','course',$course->id,'timeaccess',0);
-    $now = usergetmidnight(time());
-    $timeaccess = array();
-
-    // makes sense for this to go first.
-    $timeoptions[0] = get_string('selectperiod');
-
-    // days
-    for ($i = 1; $i < 7; $i++) {
-        if (strtotime('-'.$i.' days',$now) >= $minlastaccess) {
-            $timeoptions[strtotime('-'.$i.' days',$now)] = get_string('numdays','moodle',$i);
+    if (!empty($isteacher)) {
+        // get minimum lastaccess for this course and display a dropbox to filter by lastaccess going back this far.
+        $minlastaccess = get_field_sql('SELECT min(timeaccess) FROM '.$CFG->prefix.'user_students WHERE course = '.$course->id.' AND timeaccess != 0');
+        
+        $lastaccess0exists = record_exists('user_students','course',$course->id,'timeaccess',0);
+        $now = usergetmidnight(time());
+        $timeaccess = array();
+        
+        // makes sense for this to go first.
+        $timeoptions[0] = get_string('selectperiod');
+        
+        // days
+        for ($i = 1; $i < 7; $i++) {
+            if (strtotime('-'.$i.' days',$now) >= $minlastaccess) {
+                $timeoptions[strtotime('-'.$i.' days',$now)] = get_string('numdays','moodle',$i);
+            }
         }
-    }
-    // weeks
-    for ($i = 1; $i < 10; $i++) {
-        if (strtotime('-'.$i.' weeks',$now) >= $minlastaccess) {
-            $timeoptions[strtotime('-'.$i.' weeks',$now)] = get_string('numweeks','moodle',$i);
+        // weeks
+        for ($i = 1; $i < 10; $i++) {
+            if (strtotime('-'.$i.' weeks',$now) >= $minlastaccess) {
+                $timeoptions[strtotime('-'.$i.' weeks',$now)] = get_string('numweeks','moodle',$i);
+            }
         }
-    }
-    // months 
-    for ($i = 2; $i < 12; $i++) {
-        if (strtotime('-'.$i.' months',$now) >= $minlastaccess) {
-            $timeoptions[strtotime('-'.$i.' months',$now)] = get_string('nummonths','moodle',$i);
+        // months 
+        for ($i = 2; $i < 12; $i++) {
+            if (strtotime('-'.$i.' months',$now) >= $minlastaccess) {
+                $timeoptions[strtotime('-'.$i.' months',$now)] = get_string('nummonths','moodle',$i);
+            }
+        }
+        // try a year
+        if (strtotime('-1 year',$now) >= $minlastaccess) {
+            $timeoptions[strtotime('-1 year',$now)] = get_string('lastyear');
+        }
+        
+        if (!empty($lastaccess0exists)) {
+            $timeoptions[-1] = get_string('never');
+        } 
+        
+        if (count($timeoptions) > 1) {
+            echo '<td class="left">';
+            echo get_string('usersnoaccesssince').': ';
+            $baseurl = preg_replace('/&amp;accesssince='.$accesssince.'/','',$baseurl);
+            echo popup_form($baseurl.'&amp;accesssince=',$timeoptions,'timeoptions',$accesssince,'','','',true);
+            echo '</td>';
         }
-    }
-    // try a year
-    if (strtotime('-1 year',$now) >= $minlastaccess) {
-        $timeoptions[strtotime('-1 year',$now)] = get_string('lastyear');
-    }
-
-    if (!empty($lastaccess0exists)) {
-        $timeoptions[-1] = get_string('never');
-    } 
-
-    if (count($timeoptions) > 1) {
-        echo '<td class="left">';
-        echo get_string('usersnoaccesssince').': ';
-        $baseurl = preg_replace('/&amp;accesssince='.$accesssince.'/','',$baseurl);
-        echo popup_form($baseurl.'&amp;accesssince=',$timeoptions,'timeoptions',$accesssince,'','','',true);
-        echo '</td>';
     }
 
     echo '<td class="right">';
@@ -313,7 +315,9 @@ function checkchecked(form) {
             $teachersql .= ' AND t.authority > 0';
         }
 
-        $teachersql .= get_lastaccess_sql($accesssince);
+        if ($isteacher) {
+            $teachersql .= get_lastaccess_sql($accesssince);
+        }
 
         if($sortclause = $table->get_sql_sort()) {
             $teachersql .= ' ORDER BY '.$sortclause;
@@ -458,7 +462,10 @@ function checkchecked(form) {
         $where  = 'WHERE s.course = '.$course->id.' AND u.deleted = 0 ';
     }
 
-    $where .= get_lastaccess_sql($accesssince);
+    if ($isteacher) {
+        $where .= get_lastaccess_sql($accesssince);
+    }
+
     $wheresearch = '';
 
     if (!empty($search)) {