diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index af20bb042f8..b6bf362d8d7 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -574,25 +574,12 @@ print '</td></tr>';
 
 // Show alias in thirdparty name
 
-print '<tr class="oddeven"><td>'.$langs->trans("PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME").'</td><td>';
+print '<tr class="oddeven"><td>'.$langs->trans("PDF_THIRDPARTY_NAME_TO_SHOW_IS").'</td><td>';
 if ($conf->use_javascript_ajax) {
-	print ajax_constantonoff('PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME', array(), null, 0, 0, 1);
-} else {
-	$arrval = array('0' => $langs->trans("No"), '1' => $langs->trans("Yes"));
+	$arrval = array('0' => '', '1' => $langs->trans("THIRDPARTY_ALIAS"), '2' => $langs->trans("ALIAS_THIRDPARTY"));
 	print $form->selectarray("PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME", $arrval, $conf->global->PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME);
 }
 
-// Invert alias and name thirdparty
-if (!empty($conf->global->PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME)) {
-	print '<tr class="oddeven"><td>'.$langs->trans("PDF_INVERT_ALIAS_NAME_THIRDPARTY").'</td><td>';
-	if ($conf->use_javascript_ajax) {
-		print ajax_constantonoff('PDF_INVERT_ALIAS_NAME_THIRDPARTY');
-	} else {
-		$arrval = array('0' => $langs->trans("No"), '1' => $langs->trans("Yes"));
-		print $form->selectarray("PDF_INVERT_ALIAS_NAME_THIRDPARTY", $arrval, $conf->global->PDF_INVERT_ALIAS_NAME_THIRDPARTY);
-	}
-}
-
 // Show online payment link on invoices
 
 print '<tr class="oddeven"><td>'.$langs->trans("PDF_SHOW_LINK_TO_ONLINE_PAYMENT").'</td><td>';
diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index d7764bb4a8c..bdc2b7814b1 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -392,9 +392,9 @@ function pdfBuildThirdpartyName($thirdparty, Translate $outputlangs, $includeali
 
 	if ($thirdparty instanceof Societe) {
 		$socname .= $thirdparty->name;
-		if (($includealias || !empty($conf->global->PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME)) && !empty($thirdparty->name_alias)) {
+		if (($includealias || $conf->global->PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME) == 1 && !empty($thirdparty->name_alias)) {
 			$socname .= " - ".$thirdparty->name_alias;
-			if ($conf->global->PDF_INVERT_ALIAS_NAME_THIRDPARTY) {
+			if ($conf->global->PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME == 2) {
 				$socname = '';
 				$socname = $thirdparty->name_alias." - ".$thirdparty->name;
 			}
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index cda7727a04c..4478b3fb146 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -2144,8 +2144,7 @@ EmailTemplate=Template for email
 EMailsWillHaveMessageID=Emails will have a tag 'References' matching this syntax
 PDF_SHOW_PROJECT=Show project on document
 ShowProjectLabel=Project Label
-PDF_INCLUDE_ALIAS_IN_THIRDPARTY_NAME = Include alias in thirdparty name
-PDF_INVERT_ALIAS_NAME_THIRDPARTY = Invert name and alias
+PDF_THIRDPARTY_NAME_TO_SHOW_IS = Include alias in thirdparty name
 PDF_USE_ALSO_LANGUAGE_CODE=If you want to have some texts in your PDF duplicated in 2 different languages in the same generated PDF, you must set here this second language so generated PDF will contains 2 different languages in same page, the one chosen when generating PDF and this one (only few PDF templates support this). Keep empty for 1 language per PDF.
 PDF_USE_A=Gererate PDF documents with format PDF/A instead of defaut format PDF
 FafaIconSocialNetworksDesc=Enter here the code of a FontAwesome icon. If you don't know what is FontAwesome, you can use the generic value fa-address-book.