diff --git a/htdocs/core/lib/signature.lib.php b/htdocs/core/lib/signature.lib.php
index c59acbea209..600f3878a0a 100644
--- a/htdocs/core/lib/signature.lib.php
+++ b/htdocs/core/lib/signature.lib.php
@@ -120,7 +120,7 @@ function getOnlineSignatureUrl($mode, $type, $ref = '', $localorexternal = 1)
 
 	// For multicompany
 	if (!empty($out) && !empty($conf->multicompany->enabled)) {
-		$out .= "&entity=".$conf->entity; // Check the entity because we may have the same reference in several entities
+		$out .= "&entity=".$object->entity; // Check the entity because we may have the same reference in several entities
 	}
 
 	return $out;