diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index e9c53f4b354..05e409ac9ed 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -436,7 +436,7 @@ class pdf_strato extends ModelePDFContract
 							$pagenb++;
 							$pdf->setPage($pagenb);
 							$pdf->setPageOrientation('', 1, 0); // The only function to edit the bottom margin of current page to set it.
-							if(empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) {
+							if (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) {
 								$this->_pagehead($pdf, $object, 0, $outputlangs);
 							}
 							if (!empty($tplidx)) {