diff --git a/pandora_console/godmode/reporting/reporting_builder.php b/pandora_console/godmode/reporting/reporting_builder.php
index 07499e6162..b9395323b8 100755
--- a/pandora_console/godmode/reporting/reporting_builder.php
+++ b/pandora_console/godmode/reporting/reporting_builder.php
@@ -2426,7 +2426,7 @@ switch ($action) {
                             $values['top_n_value'] = get_parameter('max_items');
                             $values['server_name'] = get_parameter('combo_server_sql');
 
-                            if ($sql !== '') {
+                            if ($sql !== '' && $sql !== null) {
                                 // Replaces possible macros to check the validity of the query
                                 $macros_sql = $sql;
                                 $macros_sql = str_replace('_start_date_', '0', $macros_sql);
@@ -3376,7 +3376,7 @@ switch ($action) {
                             $values['server_name'] = get_parameter('combo_server_sql');
 
 
-                            if ($sql !== '') {
+                            if ($sql !== '' && $sql !== null) {
                                 // Replaces possible macros to check the validity of the query
                                 $macros_sql = $sql;
                                 $macros_sql = str_replace('_start_date_', '0', $macros_sql);