diff --git a/htdocs/core/lib/company.lib.php b/htdocs/core/lib/company.lib.php
index f62cd65c1f0..a74a890e013 100644
--- a/htdocs/core/lib/company.lib.php
+++ b/htdocs/core/lib/company.lib.php
@@ -1601,7 +1601,7 @@ function show_contacts($conf, $langs, $db, $object, $backtopage = '', $showuserl
 			// Address - Phone - Email
 			if (!empty($arrayfields['t.address']['checked'])) {
 				$addresstoshow = $contactstatic->getBannerAddress('contact', $object);
-				print '<td class="tdoverflowmax150" title="'.dolPrintHTMLForAttribute($addresstoshow).'">';
+				print '<td class="tdoverflowmax150 classfortooltip" title="'.dolPrintHTMLForAttribute($addresstoshow).'">';
 				print $addresstoshow;
 				print '</td>';
 			}