diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index 4a0114b5244..498078b6b15 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -1778,7 +1778,7 @@ class FormFile
 
 				// Share link
 				print '<td class="right">';
-				if ($file['share']) {
+				if (!empty($file['share'])) {
 					// Define $urlwithroot
 					$urlwithouturlroot = preg_replace('/'.preg_quote(DOL_URL_ROOT, '/').'$/i', '', trim($dolibarr_main_url_root));
 					$urlwithroot = $urlwithouturlroot.DOL_URL_ROOT; // This is to use external domain name found into config file