diff --git a/mod/quiz/attempt.php b/mod/quiz/attempt.php
index 186139eda92..1440106a985 100644
--- a/mod/quiz/attempt.php
+++ b/mod/quiz/attempt.php
@@ -96,7 +96,7 @@ if (empty($slots)) {
     throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'noquestionsfound');
 }
 
-// Update attempt page    
+// Update attempt page
 if ($attemptobj->get_currentpage() != $page) {
     $DB->set_field('quiz_attempts', 'currentpage', $page);
 }
diff --git a/mod/quiz/attemptlib.php b/mod/quiz/attemptlib.php
index cc957584d8e..a713757fc64 100644
--- a/mod/quiz/attemptlib.php
+++ b/mod/quiz/attemptlib.php
@@ -601,7 +601,7 @@ class quiz_attempt {
     public function get_userid() {
         return $this->attempt->userid;
     }
-    
+
     /** @return int the current page of the attempt. */
     public function get_currentpage() {
         return $this->attempt->currentpage;
diff --git a/mod/quiz/db/upgrade.php b/mod/quiz/db/upgrade.php
index 55119e8e2ef..a512fc262e6 100644
--- a/mod/quiz/db/upgrade.php
+++ b/mod/quiz/db/upgrade.php
@@ -69,13 +69,13 @@ function xmldb_quiz_upgrade($oldversion) {
         // quiz savepoint reached
         upgrade_mod_savepoint(true, 2011120701, 'quiz');
     }
-    
+
     if ($oldversion < 2011120703) {
         // Track page of quiz attempts
         $table = new xmldb_table('quiz_attempts');
-        
+
         $field = new xmldb_field('currentpage', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
-        
+
         if (!$dbman->field_exists($table, $field)) {
             $dbman->add_field($table, $field);
         }
diff --git a/mod/quiz/startattempt.php b/mod/quiz/startattempt.php
index a43fc08cb75..a9451237b97 100644
--- a/mod/quiz/startattempt.php
+++ b/mod/quiz/startattempt.php
@@ -82,7 +82,7 @@ $lastattempt = end($attempts);
 if ($lastattempt && !$lastattempt->timefinish) {
     $currentattemptid = $lastattempt->id;
     $messages = $accessmanager->prevent_access();
-    
+
     if ($page == -1) {
         $page = $lastattempt->currentpage;
     }
@@ -101,7 +101,7 @@ if ($lastattempt && !$lastattempt->timefinish) {
             $accessmanager->prevent_new_attempt(count($attempts), $lastattempt);
 
     if ($page == -1) {
-        $page = 0;    
+        $page = 0;
     }
 }