diff --git a/htdocs/paypal/lib/paypal.lib.php b/htdocs/paypal/lib/paypal.lib.php
index 372122940f449ca8ab05236e004c9cd6cf42c485..b3949b3d0681936a7487661b67f72262bc444b59 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;
 }
 
@@ -790,4 +794,4 @@ function getApiError()
 	return $errors;
 }
 
-?>
\ No newline at end of file
+?>