diff --git a/htdocs/core/modules/action/rapport.pdf.php b/htdocs/core/modules/action/rapport.pdf.php
index bdb85af0add..d595dfe5579 100644
--- a/htdocs/core/modules/action/rapport.pdf.php
+++ b/htdocs/core/modules/action/rapport.pdf.php
@@ -145,7 +145,7 @@ class CommActionRapport
 
 			$nbpage = $this->_pages($pdf, $outputlangs);
 
-			$pdf->AliasNbPages();
+			if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 			$pdf->Close();
 
 			$pdf->Output($file,'F');
diff --git a/htdocs/core/modules/cheque/pdf/pdf_blochet.class.php b/htdocs/core/modules/cheque/pdf/pdf_blochet.class.php
index bc190ab0f5b..bb759d590b9 100644
--- a/htdocs/core/modules/cheque/pdf/pdf_blochet.class.php
+++ b/htdocs/core/modules/cheque/pdf/pdf_blochet.class.php
@@ -161,7 +161,7 @@ class BordereauChequeBlochet extends ModeleChequeReceipts
 
 		// Pied de page
 		$this->_pagefoot($pdf,'',$outputlangs);
-		$pdf->AliasNbPages();
+		if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 		$pdf->Close();
 
diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index f5815e7b493..5f69ce4b21c 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -467,7 +467,7 @@ class pdf_einstein extends ModelePDFCommandes
 
 				// Pied de page
 				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/expedition/doc/pdf_expedition_merou.modules.php b/htdocs/core/modules/expedition/doc/pdf_expedition_merou.modules.php
index 4f6f04cc742..50bde366d00 100644
--- a/htdocs/core/modules/expedition/doc/pdf_expedition_merou.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_expedition_merou.modules.php
@@ -169,7 +169,7 @@ class pdf_expedition_merou extends ModelePdfExpedition
 				$pagenb=0;
 				$pdf->SetDrawColor(128,128,128);
 
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->SetTitle($outputlangs->convToOutputCharset($object->ref));
 				$pdf->SetSubject($outputlangs->transnoentities("Sending"));
@@ -323,7 +323,7 @@ class pdf_expedition_merou extends ModelePdfExpedition
 
 				// Pied de page
 				$this->_pagefoot($pdf, $object, $outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index 78b2a2eccfa..3988c5a0ee8 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -469,7 +469,7 @@ class pdf_crabe extends ModelePDFFactures
 
 				// Pied de page
 				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
index cc1b5994026..6a0feda2e9d 100644
--- a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
+++ b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
@@ -319,7 +319,7 @@ class pdf_soleil extends ModelePDFFicheinter
 				}
 
 				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/livraison/pdf/pdf_typhon.modules.php b/htdocs/core/modules/livraison/pdf/pdf_typhon.modules.php
index fe17d077185..a881a8f7cdd 100644
--- a/htdocs/core/modules/livraison/pdf/pdf_typhon.modules.php
+++ b/htdocs/core/modules/livraison/pdf/pdf_typhon.modules.php
@@ -432,7 +432,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 
 				// Pied de page
 				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				// Check product remaining to be delivered
 				// TODO doit etre modifie
@@ -492,7 +492,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 
 					$this->_pagefoot($pdf,$object,$outputlangs);
 
-					$pdf->AliasNbPages();
+					if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 				}*/
 
 				$pdf->Close();
@@ -728,7 +728,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 					$pdf->MultiCell(60, 2, $outputlangs->transnoentities("OrderDate")." : ".dol_print_date($linkedobject->date,"day",false,$outputlangs,true), 0, 'R');
 				}
 			}
-			
+
 			$posy=$Yoff;
 		}
 
diff --git a/htdocs/core/modules/project/pdf/pdf_baleine.modules.php b/htdocs/core/modules/project/pdf/pdf_baleine.modules.php
index 2ccd63ab81a..cca049cba92 100644
--- a/htdocs/core/modules/project/pdf/pdf_baleine.modules.php
+++ b/htdocs/core/modules/project/pdf/pdf_baleine.modules.php
@@ -287,7 +287,7 @@ class pdf_baleine extends ModelePDFProjects
 				 * Pied de page
 				 */
 				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index 83d0265cd7f..e38d9518668 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -468,7 +468,7 @@ class pdf_azur extends ModelePDFPropales
 
 				// Pied de page
 				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/rapport/pdf_paiement.class.php b/htdocs/core/modules/rapport/pdf_paiement.class.php
index 8ef322a0a0c..b7e2f8e5d91 100644
--- a/htdocs/core/modules/rapport/pdf_paiement.class.php
+++ b/htdocs/core/modules/rapport/pdf_paiement.class.php
@@ -210,7 +210,7 @@ class pdf_paiement
 
 		$this->Body($pdf, 1, $lines, $outputlangs);
 
-		$pdf->AliasNbPages();
+		if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 		$pdf->Close();
 
diff --git a/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php b/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
index 75af2b06b99..523354adb23 100644
--- a/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
+++ b/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
@@ -407,7 +407,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 
 				// Pied de page
 				$this->_pagefoot($pdf, $object, $outputlangs);
-				$pdf->AliasNbPages();
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
diff --git a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
index 86ac23db3aa..3079949efa3 100644
--- a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
@@ -466,9 +466,9 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 					$posy=$this->_tableau_versements($pdf, $object, $posy, $outputlangs);
 				}
 
-				// Pied de page
-				$this->_pagefoot($pdf,$object,$outputlangs);
-				$pdf->AliasNbPages();
+                // Pied de page
+				$this->_pagefoot($pdf, $object, $outputlangs);
+				if (method_exists($pdf,'AliasNbPages')) $pdf->AliasNbPages();
 
 				$pdf->Close();
 
@@ -576,7 +576,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
         	$posy=$pdf->GetY()+2;
         }
 
-		
+
 		return $posy;
 	}