diff --git a/app/classes/Framadate/Utils.php b/app/classes/Framadate/Utils.php
index dc14eca..36f54d2 100644
--- a/app/classes/Framadate/Utils.php
+++ b/app/classes/Framadate/Utils.php
@@ -23,13 +23,14 @@ class Utils {
      * @return string Server name
      */
     public static function get_server_name() {
-        $scheme = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https' : 'http';
+        $scheme = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on') ? 'https' : 'http';
         $port = in_array($_SERVER['SERVER_PORT'], [80, 443]) ? '' : ':' . $_SERVER['SERVER_PORT'];
         $dirname = dirname($_SERVER['SCRIPT_NAME']);
         $dirname = $dirname === '\\' ? '/' : $dirname . '/';
+        $dirname = str_replace('/admin', '', $dirname);
         $server_name = $_SERVER['SERVER_NAME'] . $port . $dirname;
 
-        return $scheme . '://' . str_replace('/admin', '', str_replace('//', '/', str_replace('///', '/', $server_name)));
+        return $scheme . '://' .  preg_replace('//+', '/', $server_name);
     }
 
     public static function is_error($cerr) {
diff --git a/bandeaux.php b/bandeaux.php
index d9c2bd2..b013c8e 100644
--- a/bandeaux.php
+++ b/bandeaux.php
@@ -27,7 +27,7 @@ function bandeau_titre($titre)
     $img = ( IMAGE_TITRE ) ? '<img src="'. Utils::get_server_name(). IMAGE_TITRE. '" alt="'.NOMAPPLICATION.'">' : '';
     echo '
     <header role="banner">';
-    if(count($ALLOWED_LANGUAGES)>1){
+    if(count($ALLOWED_LANGUAGES) > 1){
         echo '<form method="post" action="" class="hidden-print">
             <div class="input-group input-group-sm pull-right col-md-2 col-xs-4">
                 <select name="lang" class="form-control" title="'. _("Select the language") .'" >' . liste_lang() . '</select>
@@ -38,7 +38,7 @@ function bandeau_titre($titre)
         </form>';
     }
     echo '
-        <h1><a href="'.str_replace('/admin','', Utils::get_server_name()).'" title="'._("Home").' - '.NOMAPPLICATION.'">'.$img.'</a></h1>
+        <h1><a href="' . Utils::get_server_name() . '" title="' . _('Home') . ' - ' . NOMAPPLICATION . '">' . $img . '</a></h1>
         <h2 class="lead"><i>'. $titre .'</i></h2>
         <hr class="trait" role="presentation" />
     </header>
@@ -72,7 +72,7 @@ function liste_lang()
   return $str;
 }
 
-function bandeau_pied($admin=false)
+function bandeau_pied()
 {
     echo '
     </main>