diff --git a/lib/Froxlor/Cron/Traffic/ReportsCron.php b/lib/Froxlor/Cron/Traffic/ReportsCron.php
index 5019e5197b..bd24d0ac43 100644
--- a/lib/Froxlor/Cron/Traffic/ReportsCron.php
+++ b/lib/Froxlor/Cron/Traffic/ReportsCron.php
@@ -15,7 +15,7 @@
  * @author Froxlor team <team@froxlor.org> (2010-)
  * @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
  * @package Cron
- *         
+ *
  */
 use Froxlor\Database\Database;
 use Froxlor\Settings;
@@ -111,11 +111,11 @@ public static function run()
 						'varname' => 'trafficmaxpercent_subject'
 					);
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['subject']), $replace_arr));
+					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['subject']), $replace_arr));
 
 					$result2_data['varname'] = 'trafficmaxpercent_mailbody';
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['mailbody']), $replace_arr));
+					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['mailbody']), $replace_arr));
 
 					$_mailerror = false;
 					$mailerr_msg = "";
@@ -217,11 +217,11 @@ public static function run()
 						'varname' => 'trafficmaxpercent_subject'
 					);
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['subject']), $replace_arr));
+					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['subject']), $replace_arr));
 
 					$result2_data['varname'] = 'trafficmaxpercent_mailbody';
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['mailbody']), $replace_arr));
+					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['trafficmaxpercent']['mailbody']), $replace_arr));
 
 					$_mailerror = false;
 					$mailerr_msg = "";
@@ -424,11 +424,11 @@ private static function usageDiskspace()
 						'varname' => 'diskmaxpercent_subject'
 					);
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['subject']), $replace_arr));
+					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['subject']), $replace_arr));
 
 					$result2_data['varname'] = 'diskmaxpercent_mailbody';
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['mailbody']), $replace_arr));
+					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['mailbody']), $replace_arr));
 
 					$_mailerror = false;
 					$mailerr_msg = "";
@@ -521,11 +521,11 @@ private static function usageDiskspace()
 						'varname' => 'diskmaxpercent_subject'
 					);
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['subject']), $replace_arr));
+					$mail_subject = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['subject']), $replace_arr));
 
 					$result2_data['varname'] = 'diskmaxpercent_mailbody';
 					$result2 = Database::pexecute_first($result2_stmt, $result2_data);
-					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['mailbody']), $replace_arr));
+					$mail_body = html_entity_decode(\Froxlor\PhpHelper::replaceVariables((($result2 !== false && $result2['value'] != '') ? $result2['value'] : $lng['mails']['diskmaxpercent']['mailbody']), $replace_arr));
 
 					$_mailerror = false;
 					$mailerr_msg = "";