diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index cd4c68a5965..63e86ba25d5 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -727,7 +727,7 @@ class pdf_einstein extends ModelePDFCommandes
 
 		$pdf->SetFont('', '', $default_font_size - 1);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
@@ -740,7 +740,7 @@ class pdf_einstein extends ModelePDFCommandes
 
 		$posxval = 52;
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// Show payments conditions
 		if ($object->cond_reglement_code || $object->cond_reglement) {
diff --git a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
index 10f54c67915..2de7ee85e41 100644
--- a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
@@ -1007,7 +1007,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 
 		$pdf->SetFont('', '', $default_font_size - 1);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
@@ -1020,7 +1020,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 
 		$posxval = 52;
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// Show payments conditions
 		if ($object->cond_reglement_code || $object->cond_reglement) {
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index 978ade1f12e..c904a318a4e 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -929,7 +929,7 @@ class pdf_azur extends ModelePDFPropales
 
 		$pdf->SetFont('', '', $default_font_size - 1);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
diff --git a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
index 17f7abe524f..0bbc7c6e1de 100644
--- a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
@@ -1092,7 +1092,7 @@ class pdf_cyan extends ModelePDFPropales
 
 		$pdf->SetFont('', '', $default_font_size - 1);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
diff --git a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
index f88ea26e8ae..323c55584ea 100644
--- a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
@@ -881,7 +881,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 		global $conf, $mysoc;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
diff --git a/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php b/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php
index 1c69f02962b..2df7f792ab4 100644
--- a/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/pdf_muscadet.modules.php
@@ -741,7 +741,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 		global $conf, $mysoc;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
diff --git a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
index 83c4521d5c9..b7fc37c2797 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
@@ -730,7 +730,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
 		global $conf;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		$pdf->SetFont('', '', $default_font_size - 1);
 
diff --git a/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php b/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php
index 814e910b081..cf2510053ee 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php
@@ -860,7 +860,7 @@ class pdf_zenith extends ModelePDFSupplierProposal
 		global $conf, $mysoc;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
 
-		$diffsizetitle = (!getDolGlobalString('PDF_DIFFSIZE_TITLE') ? 3 : $conf->global->PDF_DIFFSIZE_TITLE);
+		$diffsizetitle = getDolGlobalInt('PDF_DIFFSIZE_TITLE', 3);
 
 		// If France, show VAT mention if not applicable
 		if ($this->emetteur->country_code == 'FR' && empty($mysoc->tva_assuj)) {
diff --git a/htdocs/index.php b/htdocs/index.php
index 0ac0b855707..2f61963a4d5 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -4,7 +4,7 @@
  * Copyright (C) 2005-2017	Regis Houssin			<regis.houssin@inodbox.com>
  * Copyright (C) 2011-2012	Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2015		Marcos García			<marcosgdf@gmail.com>
- * Copyright (C) 2021-2024  Frédéric France			<frederic.france@free.fr>
+ * Copyright (C) 2021-2025  Frédéric France			<frederic.france@free.fr>
  * Copyright (C) 2024-2025	MDW						<mdeweerd@users.noreply.github.com>
  * Copyright (C) 2024		Alexandre Spangaro		<alexandre@inovea-conseil.com>
  *
@@ -154,6 +154,7 @@ if (!getDolGlobalString('MAIN_REMOVE_INSTALL_WARNING')) {
 		$newPerm = $currentPerm & ~0222;
 		//print $conffile.' '.decoct($currentPerm).' '.(string) decoct($newPerm).' '.substr(decoct($newPerm), -4);
 		dolChmod($conffile, decoct($newPerm));
+
 		//  @phpstan-ignore-next-line
 		if (is_writable($conffile)) {
 			$langs->load("errors");