diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index 62f17d5cb1d..50edc32d55f 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -309,8 +309,8 @@ if ($action == 'edit')	// Edit
 
 	// Firstname/Name
 	print '<tr><td class="titlefield">'.$langs->trans("FirstnameNamePosition").'</td><td>';
-	$array=array(0=>$langs->trans("Firstname").' '.$langs->trans("Lastname"),1=>$langs->trans("Lastname").' '.$langs->trans("Firstname"));
-	print $form->selectarray('MAIN_FIRSTNAME_NAME_POSITION',$array,(isset($conf->global->MAIN_FIRSTNAME_NAME_POSITION)?$conf->global->MAIN_FIRSTNAME_NAME_POSITION:0));
+	$array=array(0=>$langs->trans("Firstname").' '.$langs->trans("Lastname"), 1=>$langs->trans("Lastname").' '.$langs->trans("Firstname"));
+	print $form->selectarray('MAIN_FIRSTNAME_NAME_POSITION', $array, (isset($conf->global->MAIN_FIRSTNAME_NAME_POSITION)?$conf->global->MAIN_FIRSTNAME_NAME_POSITION:0));
 	print '</td>';
 	print '<td width="20">&nbsp;</td>';
 	print '</tr>';
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 5c523e28753..abb2fbea701 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1543,9 +1543,12 @@ class Form
 		if (! empty($conf->global->USER_HIDE_INACTIVE_IN_COMBOBOX) || $noactive) $sql.= " AND u.statut <> 0";
 		if (! empty($morefilter)) $sql.=" ".$morefilter;
 
-		if(empty($conf->global->MAIN_FIRSTNAME_NAME_POSITION)){
+		if (empty($conf->global->MAIN_FIRSTNAME_NAME_POSITION))	// MAIN_FIRSTNAME_NAME_POSITION is 0 means firstname+lastname
+		{
 			$sql.= " ORDER BY u.firstname ASC";
-		}else{
+		}
+		else
+		{
 			$sql.= " ORDER BY u.lastname ASC";
 		}
 
@@ -1592,9 +1595,11 @@ class Form
 						$out.= '>';
 					}
 
-					$fullNameMode = 0; //Lastname + firstname
-					if(empty($conf->global->MAIN_FIRSTNAME_NAME_POSITION)){
-						$fullNameMode = 1; //firstname + lastname
+					// $fullNameMode is 0=Lastname+Firstname (MAIN_FIRSTNAME_NAME_POSITION=1), 1=Firstname+Lastname (MAIN_FIRSTNAME_NAME_POSITION=0)
+					$fullNameMode = 0;
+					if (empty($conf->global->MAIN_FIRSTNAME_NAME_POSITION))
+					{
+						$fullNameMode = 1; //Firstname+lastname
 					}
 					$out.= $userstatic->getFullName($langs, $fullNameMode, -1, $maxlength);
 
diff --git a/test/phpunit/AdherentTest.php b/test/phpunit/AdherentTest.php
index a2f4f64aba5..7f3455ce37a 100644
--- a/test/phpunit/AdherentTest.php
+++ b/test/phpunit/AdherentTest.php
@@ -317,7 +317,7 @@ class AdherentTest extends PHPUnit_Framework_TestCase
         $langs=$this->savlangs;
         $db=$this->savdb;
 
-        $conf->global->MAIN_FIRSTNAME_NAME_POSITION = 1;	// Force setup for firstname then lastname
+        $conf->global->MAIN_FIRSTNAME_NAME_POSITION = 0;	// Force setup for firstname+lastname
 
         $template = '__CIVILITY__,__FIRSTNAME__,__LASTNAME__,__FULLNAME__,__COMPANY__,'.
                     '__ADDRESS__,__ZIP__,__TOWN__,__COUNTRY__,__EMAIL__,__BIRTH__,__PHOTO__,__LOGIN__';