diff --git a/www/include/monitoring/status/HostGroups/xml/hostGroupXML.php b/www/include/monitoring/status/HostGroups/xml/hostGroupXML.php
index 2f46ae2d747..a73b18ec7c6 100644
--- a/www/include/monitoring/status/HostGroups/xml/hostGroupXML.php
+++ b/www/include/monitoring/status/HostGroups/xml/hostGroupXML.php
@@ -114,7 +114,7 @@
     $rq1 .= $searchStr .
             "GROUP BY hg.name, h.state";
 } else {
-    $rq1 = "SELECT hg.name as alias, h.state, count(h.host_id) AS nb " .
+    $rq1 = "SELECT hg.name as alias, h.state, count(DISTINCT h.host_id) AS nb " .
             "FROM centreon_acl acl, hosts_hostgroups hhg, hosts h, hostgroups hg " .
             "WHERE hg.hostgroup_id = hhg.hostgroup_id " .
             "AND hhg.host_id = h.host_id " .