diff --git a/htdocs/societe/list.php b/htdocs/societe/list.php
index a7ec8b9518c..137ddd1c7cb 100644
--- a/htdocs/societe/list.php
+++ b/htdocs/societe/list.php
@@ -1737,9 +1737,10 @@ while ($i < min($num, $limit)) {
 			$totalarray['nbfield']++;
 		}
 	}
+	// Import key
 	if (!empty($arrayfields['s.import_key']['checked'])) {
-		print '<td class="tdoverflowmax100">';
-		print $obj->import_key;
+		print '<td class="tdoverflowmax100" title="'.dol_escape_htmltag($obj->import_key).'">';
+		print dol_escape_htmltag($obj->import_key);
 		print "</td>\n";
 		if (!$i) {
 			$totalarray['nbfield']++;