diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 9d122cfce7e..f22cea8d04e 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -1598,7 +1598,7 @@ class ActionComm extends CommonObject
 			//$tooltip .= '<br><b>'.img_picto('', 'email').' '.$langs->trans("Email").'</b>';
 			$tooltip .= '<br><b>'.$langs->trans('MailTopic').':</b> '.$this->email_subject;
 			$tooltip .= '<br><b>'.$langs->trans('MailFrom').':</b> '.str_replace(array('<', '>'), array('&amp;lt', '&amp;gt'), $this->email_from);
-			$tooltip .= '<br><b>'.$langs->trans('MailTo').':</b>, '.str_replace(array('<', '>'), array('&amp;lt', '&amp;gt'), $this->email_to);
+			$tooltip .= '<br><b>'.$langs->trans('MailTo').':</b> '.str_replace(array('<', '>'), array('&amp;lt', '&amp;gt'), $this->email_to);
 			if (!empty($this->email_tocc)) {
 				$tooltip .= '<br><b>'.$langs->trans('MailCC').':</b> '.str_replace(array('<', '>'), array('&amp;lt', '&amp;gt'), $this->email_tocc);
 			}