diff --git a/htdocs/paypal/lib/paypal.lib.php b/htdocs/paypal/lib/paypal.lib.php
index 9d799128c4b5408825afccc0e922568cc11ab1e5..53c751481c2f4317385e9726a0aaa60831898301 100755
--- a/htdocs/paypal/lib/paypal.lib.php
+++ b/htdocs/paypal/lib/paypal.lib.php
@@ -309,6 +309,10 @@ function getPaypalPaymentUrl($mode,$type,$ref='',$amount='9.99',$freetag='your_f
             }
         }
     }
+    
+    // For multicompany
+    $out.="&entity=".$conf->entity;
+    
     return $out;
 }