diff --git a/htdocs/core/lib/member.lib.php b/htdocs/core/lib/member.lib.php
index 71a9849dc16..83b936a9b0b 100644
--- a/htdocs/core/lib/member.lib.php
+++ b/htdocs/core/lib/member.lib.php
@@ -126,16 +126,38 @@ function member_prepare_head(Adherent $object)
 	$h++;
 
 	// Show agenda tab
-	if (isModEnabled('agenda')) {
-		$head[$h][0] = DOL_URL_ROOT."/adherents/agenda.php?id=".$object->id;
-		$head[$h][1] = $langs->trans("Events");
-		if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
-			$head[$h][1] .= '/';
-			$head[$h][1] .= $langs->trans("Agenda");
+	$head[$h][0] = DOL_URL_ROOT.'/adherents/agenda.php?id='.$object->id;
+	$head[$h][1] = $langs->trans("Events");
+	if (isModEnabled('agenda')&& (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+		$nbEvent = 0;
+		// Enable caching of thirdparty count actioncomm
+		require_once DOL_DOCUMENT_ROOT.'/core/lib/memory.lib.php';
+		$cachekey = 'count_events_member_'.$object->id;
+		$dataretrieved = dol_getcache($cachekey);
+		if (!is_null($dataretrieved)) {
+			$nbEvent = $dataretrieved;
+		} else {
+			$sql = "SELECT COUNT(id) as nb";
+			$sql .= " FROM ".MAIN_DB_PREFIX."actioncomm";
+			$sql .= " WHERE elementtype = 'member' AND fk_element = ".((int) $object->id);
+			$resql = $db->query($sql);
+			if ($resql) {
+				$obj = $db->fetch_object($resql);
+				$nbEvent = $obj->nb;
+			} else {
+				dol_syslog('Failed to count actioncomm '.$db->lasterror(), LOG_ERR);
+			}
+			dol_setcache($cachekey, $nbEvent, 120);		// If setting cache fails, this is not a problem, so we do not test result.
+		}
+
+		$head[$h][1] .= '/';
+		$head[$h][1] .= $langs->trans("Agenda");
+		if ($nbEvent > 0) {
+			$head[$h][1] .= '<span class="badge marginleftonlyshort">'.$nbEvent.'</span>';
 		}
-		$head[$h][2] = 'agenda';
-		$h++;
 	}
+	$head[$h][2] = 'agenda';
+	$h++;
 
 	complete_head_from_modules($conf, $langs, $object, $head, $h, 'member', 'add', 'external');