diff --git a/pandora_console/include/functions_network.php b/pandora_console/include/functions_network.php
new file mode 100644
index 0000000000..a2bd62fcee
--- /dev/null
+++ b/pandora_console/include/functions_network.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * Network explorer
+ *
+ * @package    Include.
+ * @subpackage Network functions.
+ *
+ * Pandora FMS - http://pandorafms.com
+ * ==================================================
+ * Copyright (c) 2005-2019 Artica Soluciones Tecnologicas
+ * Please see http://pandorafms.org for full contribution list
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+// Write here requires and definitions.
+
+
+/**
+ * Get the tnetwok_matrix summatory data.
+ *
+ * @param integer $top    Number of hosts to show.
+ * @param boolean $talker Talker (true) or listetener (false).
+ * @param integer $start  Utimestamp of start time.
+ * @param integer $end    Utimestamp of end time.
+ *
+ * @return array With requested data.
+ */
+function network_matrix_get_top($top, $talker, $start, $end)
+{
+    $field_to_group = ($talker === true) ? 'source' : 'destination';
+    $sql = sprintf(
+        'SELECT SUM(bytes) sum_bytes, SUM(pkts) sum_pkts, %s host
+        FROM tnetwork_matrix
+        WHERE utimestamp > %d AND utimestamp < %d
+        GROUP BY %s
+        ORDER BY sum_bytes DESC
+        LIMIT %d',
+        $field_to_group,
+        $start,
+        $end,
+        $field_to_group,
+        $top
+    );
+
+    $data = db_get_all_rows_sql($sql);
+
+    return ($data !== false) ? $data : [];
+}
diff --git a/pandora_console/include/functions_reporting.php b/pandora_console/include/functions_reporting.php
index bfc065e124..5d21e3e02a 100755
--- a/pandora_console/include/functions_reporting.php
+++ b/pandora_console/include/functions_reporting.php
@@ -36,6 +36,7 @@ require_once $config['homedir'].'/include/functions_forecast.php';
 require_once $config['homedir'].'/include/functions_ui.php';
 require_once $config['homedir'].'/include/functions_netflow.php';
 require_once $config['homedir'].'/include/functions_os.php';
+require_once $config['homedir'].'/include/functions_network.php';
 
 //
 // CONSTANTS DEFINITIONS                //
@@ -11385,17 +11386,17 @@ function reporting_nt_top_n_report($period, $content, $pdf)
     // Get the data sent and received
     $return['data'] = [];
     $start_time = ($period['datetime'] - (int) $content['period']);
-    $sql = "SELECT SUM(bytes) sum_bytes, SUM(pkts) sum_pkts, %s host
-		FROM tnetwork_matrix
-		WHERE utimestamp > {$start_time} AND utimestamp < {$period['datetime']}
-		GROUP BY %s
-		ORDER BY sum_bytes DESC
-		LIMIT {$content['top_n_value']}";
-    $return['data']['send'] = db_get_all_rows_sql(
-        sprintf($sql, 'source', 'source')
+    $return['data']['send'] = network_matrix_get_top(
+        $content['top_n_value'],
+        true,
+        $start_time,
+        $period['datetime']
     );
-    $return['data']['recv'] = db_get_all_rows_sql(
-        sprintf($sql, 'destination', 'destination')
+    $return['data']['recv'] = network_matrix_get_top(
+        $content['top_n_value'],
+        false,
+        $start_time,
+        $period['datetime']
     );
     return $return;
 }