diff --git a/main/course_info/infocours.php b/main/course_info/infocours.php
index c75ed94414..c6f5cb9137 100644
--- a/main/course_info/infocours.php
+++ b/main/course_info/infocours.php
@@ -128,7 +128,6 @@ if (file_exists($course_path.'/course-pic85x85.png')) {
 }
 $form->addElement('html', $image_html);
 
-
 $form->add_textfield('title', get_lang('Title'), true, array('class' => 'span6'));
 $form->applyFilter('title', 'html_filter');
 $form->applyFilter('title', 'trim');
@@ -344,7 +343,6 @@ $form->addGroup($group, '', array(get_lang("ShowSystemFolders")), '');
 $form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
 $form->addElement('html', '</div></div>');
 
-
 // Certificate settings
 if (api_get_setting('allow_public_certificates')=='true') {
     $form->addElement('html', '<div><h3>'.Display::return_icon('certificate.png', Security::remove_XSS(get_lang('Certificates')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('Certificates')).'</h3><div>');
@@ -363,7 +361,7 @@ $app_plugin = new AppPlugin();
 $app_plugin->add_course_settings_form($form);
 
 // Get all the course information
-$all_course_information =  CourseManager::get_course_information($_course['sysCode']);
+$all_course_information = CourseManager::get_course_information($_course['sysCode']);
 
 // Set the default values of the form
 $values = array();
@@ -386,7 +384,6 @@ $courseSettings = CourseManager::getCourseSettingVariables();
 foreach ($courseSettings as $setting) {
     $values[$setting] = api_get_course_setting($setting);
 }
-
 $app_plugin->set_course_settings_defaults($values);
 
 $form->setDefaults($values);
@@ -395,21 +392,37 @@ $form->setDefaults($values);
 if ($form->validate() && is_settings_editable()) {
     $update_values = $form->exportValues();
 
-    $pdf_export_watermark_path = $_FILES['pdf_export_watermark_path'];
+    $pdf_export_watermark_path = isset($_FILES['pdf_export_watermark_path']) ? $_FILES['pdf_export_watermark_path'] : null
 
     if (!empty($pdf_export_watermark_path['name'])) {
-        $pdf_export_watermark_path_result = PDF::upload_watermark($pdf_export_watermark_path['name'], $pdf_export_watermark_path['tmp_name'], $course_code);
+        $pdf_export_watermark_path_result = PDF::upload_watermark(
+            $pdf_export_watermark_path['name'],
+            $pdf_export_watermark_path['tmp_name'],
+            $course_code
+        );
         unset($update_values['pdf_export_watermark_path']);
     }
 
     //Variables that will be saved in the TABLE_MAIN_COURSE table
-    $update_in_course_table = array('title', 'course_language','category_code','department_name', 'department_url','visibility',
-    								'subscribe', 'unsubscribe','tutor_name','course_registration_password', 'legal', 'activate_legal');
+    $update_in_course_table = array(
+        'title',
+        'course_language',
+        'category_code',
+        'department_name',
+        'department_url',
+        'visibility',
+        'subscribe',
+        'unsubscribe',
+        'tutor_name',
+        'course_registration_password',
+        'legal',
+        'activate_legal'
+    );
 
     foreach ($update_values as $index =>$value) {
         $update_values[$index] = Database::escape_string($value);
     }
-    unset($value);
+
     $table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
     $sql = "UPDATE $table_course SET
         title 				    = '".$update_values['title']."',
@@ -429,7 +442,11 @@ if ($form->validate() && is_settings_editable()) {
     // Insert/Updates course_settings table
     foreach ($courseSettings as $setting) {
         if (isset($update_values[$setting])) {
-            CourseManager::saveCourseConfigurationSetting($setting, $update_values[$setting], api_get_course_int_id());
+            CourseManager::saveCourseConfigurationSetting(
+                $setting,
+                $update_values[$setting],
+                api_get_course_int_id()
+            );
         }
     }