diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index e49aabbb44b..9f169a18462 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -339,6 +339,8 @@ function pdfGetHeightForHtmlContent(&$pdf, $htmlcontent)
 {
 	// store current object
 	$pdf->startTransaction();
+	// To avoid pagebreak effect or strange behavior of writeHTMLCell when we are out of page, we imagine we are at the begin of page to test the height of the text
+	$pdf->setY(0);
 	// store starting values
 	$start_y = $pdf->GetY();
 	//var_dump($start_y);
@@ -1212,7 +1214,7 @@ function pdf_pagefoot(&$pdf, $outputlangs, $paramfreetext, $fromcompany, $marge_
 	$pdf->SetDrawColor(224, 224, 224);
 	// Option for footer text color
 	if (getDolGlobalString('PDF_FOOTER_TEXT_COLOR')) {
-		list($r, $g, $b) = sscanf($conf->global->PDF_FOOTER_TEXT_COLOR, '%d, %d, %d');
+		list($r, $g, $b) = sscanf(getDolGlobalString('PDF_FOOTER_TEXT_COLOR'), '%d, %d, %d');
 		$pdf->SetTextColor($r, $g, $b);
 	}
 
@@ -1231,7 +1233,7 @@ function pdf_pagefoot(&$pdf, $outputlangs, $paramfreetext, $fromcompany, $marge_
 			$freetextheight = $pdf->getStringHeight($width, $line);
 		} else {
 			$freetextheight = pdfGetHeightForHtmlContent($pdf, dol_htmlentitiesbr($line, 1, 'UTF-8', 0)); // New method (works for HTML content)
-			//print '<br>'.$freetextheight;exit;
+			//print '<br>'.$freetextheight;
 		}
 	}
 
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index a5c514576e1..8b4acc88d42 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -831,7 +831,7 @@ class pdf_crabe extends ModelePDFFactures
 						} else {
 							$this->_tableau($pdf, $tab_top_newpage, $this->page_hauteur - $tab_top_newpage - $heightforfooter, 0, $outputlangs, 1, 1, $object->multicurrency_code);
 						}
-						$this->_pagefoot($pdf, $object, $outputlangs, 1, $this->getHeightForQRInvoice($pagenb, $object, $langs));
+						$this->_pagefoot($pdf, $object, $outputlangs, 1, $this->getHeightForQRInvoice($pagenb, $object, $outputlangs));
 						$pagenb++;
 						$pdf->setPage($pagenb);
 						$pdf->setPageOrientation('', 1, 0); // The only function to edit the bottom margin of current page to set it.
@@ -849,7 +849,7 @@ class pdf_crabe extends ModelePDFFactures
 						} else {
 							$this->_tableau($pdf, $tab_top_newpage, $this->page_hauteur - $tab_top_newpage - $heightforfooter, 0, $outputlangs, 1, 1, $object->multicurrency_code);
 						}
-						$this->_pagefoot($pdf, $object, $outputlangs, 1, $this->getHeightForQRInvoice($pagenb, $object, $langs));
+						$this->_pagefoot($pdf, $object, $outputlangs, 1, $this->getHeightForQRInvoice($pagenb, $object, $outputlangs));
 						// New page
 						$pdf->AddPage();
 						if (!empty($tplidx)) {
diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index f5457fc919d..9f39fb27975 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -343,7 +343,7 @@ class pdf_sponge extends ModelePDFFactures
 				$this->heightforfreetext = getDolGlobalInt('MAIN_PDF_FREETEXT_HEIGHT', 5); // Height reserved to output the free text on last page
 				$this->heightforfooter = $this->marge_basse + (!getDolGlobalString('MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS') ? 12 : 22); // Height reserved to output the footer (value include bottom margin)
 
-				$heightforqrinvoice = $heightforqrinvoice_firstpage = 0;
+				$heightforqrinvoice = 0;
 				if (getDolGlobalString('INVOICE_ADD_SWISS_QR_CODE') == 'bottom') {
 					if ($this->getHeightForQRInvoice(1, $object, $langs) > 0) {
 						// Shrink infotot to a base 30