diff --git a/htdocs/comm/card.php b/htdocs/comm/card.php
index c9f422d78c8..c8ec0621394 100644
--- a/htdocs/comm/card.php
+++ b/htdocs/comm/card.php
@@ -351,7 +351,7 @@ if ($object->id > 0) {
 		print showValueWithClipboardCPButton(dol_escape_htmltag($object->code_client));
 		$tmpcheck = $object->check_codeclient();
 		if ($tmpcheck != 0 && $tmpcheck != -5) {
-			print ' <font class="error">('.$langs->trans("WrongCustomerCode").')</font>';
+			print ' <span class="error">('.$langs->trans("WrongCustomerCode").')</span>';
 		}
 		print '</td></tr>';
 
diff --git a/htdocs/comm/mailing/card.php b/htdocs/comm/mailing/card.php
index 2ed56683c02..614bedb8268 100644
--- a/htdocs/comm/mailing/card.php
+++ b/htdocs/comm/mailing/card.php
@@ -912,7 +912,7 @@ if ($action == 'create') {
 					}
 				}
 				if (empty($nbemail)) {
-					$nbemail .= ' '.img_warning('').' <font class="warning">'.$langs->trans("NoTargetYet").'</font>';
+					$nbemail .= ' '.img_warning('').' <span class="warning">'.$langs->trans("NoTargetYet").'</span>';
 				}
 				if ($text) {
 					print $form->textwithpicto($nbemail, $text, 1, 'warning');
@@ -1161,7 +1161,7 @@ if ($action == 'create') {
 					}
 				}
 				if (empty($nbemail)) {
-					$nbemail .= ' '.img_warning('').' <font class="warning">'.$langs->trans("NoTargetYet").'</font>';
+					$nbemail .= ' '.img_warning('').' <span class="warning">'.$langs->trans("NoTargetYet").'</span>';
 				}
 				if ($text) {
 					print $form->textwithpicto($nbemail, $text, 1, 'warning');
diff --git a/htdocs/comm/mailing/cibles.php b/htdocs/comm/mailing/cibles.php
index e3d151c6bbb..340ac1dfc8c 100644
--- a/htdocs/comm/mailing/cibles.php
+++ b/htdocs/comm/mailing/cibles.php
@@ -284,7 +284,7 @@ if ($object->fetch($id) >= 0) {
 			}
 		}
 		if (empty($nbemail)) {
-			$nbemail .= ' '.img_warning('').' <font class="warning">'.$langs->trans("NoTargetYet").'</font>';
+			$nbemail .= ' '.img_warning('').' <span class="warning">'.$langs->trans("NoTargetYet").'</span>';
 		}
 		if ($text) {
 			print $form->textwithpicto($nbemail, $text, 1, 'warning');