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 23b502524b99358146c89d21fd8bcb5d4b9f532c..29d41e3dde777f5a73a8feefe250746e7539880e 100644
--- a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
@@ -142,7 +142,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
      */
 	function write_file($object,$outputlangs='',$srctemplatepath='',$hidedetails=0,$hidedesc=0,$hideref=0)
 	{
-		global $user,$langs,$conf,$hookmanager;
+		global $user,$langs,$conf,$hookmanager,$mysoc;
 
 		if (! is_object($outputlangs)) $outputlangs=$langs;
 		// For backward compatibility with FPDF, force output charset to ISO, because FPDF expect text to be encoded in ISO