diff --git a/htdocs/public/onlinesign/newonlinesign.php b/htdocs/public/onlinesign/newonlinesign.php
index 7571f466c46..9535ae16583 100644
--- a/htdocs/public/onlinesign/newonlinesign.php
+++ b/htdocs/public/onlinesign/newonlinesign.php
@@ -180,11 +180,11 @@ else if (! empty($conf->global->ONLINE_SIGN_LOGO)) $logosmall=$conf->global->ONL
 $urllogo='';
 if (! empty($logosmall) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$logosmall))
 {
-	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&file='.urlencode('thumbs/'.$logosmall);
+	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&entity='.$conf->entity.'&file='.urlencode('thumbs/'.$logosmall);
 }
 elseif (! empty($logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$logo))
 {
-	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&file='.urlencode($logo);
+	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&entity='.$conf->entity.'&file='.urlencode($logo);
 	$width=96;
 }
 // Output html code for logo