diff --git a/scripts/jobs/cron_tasks.inc.http.10.apache.php b/scripts/jobs/cron_tasks.inc.http.10.apache.php
index 3a1898fe..d20a0fd5 100644
--- a/scripts/jobs/cron_tasks.inc.http.10.apache.php
+++ b/scripts/jobs/cron_tasks.inc.http.10.apache.php
@@ -840,7 +840,7 @@ class apache extends HttpConfigBase
 					$vhost_content .= '  <IfModule mod_headers.c>' . "\n";
 					$vhost_content .= '    Header always set Strict-Transport-Security "max-age=' . $domain['hsts'];
 					if ($domain['hsts_sub'] == 1) {
-						$vhost_content .= '; includeSubdomains';
+						$vhost_content .= '; includeSubDomains';
 					}
 					if ($domain['hsts_preload'] == 1) {
 						$vhost_content .= '; preload';
diff --git a/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php b/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php
index 2d87aaec..de8718a9 100644
--- a/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php
+++ b/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php
@@ -523,7 +523,7 @@ class lighttpd extends HttpConfigBase
 
 					$vhost_content .= '$HTTP["scheme"] == "https" { setenv.add-response-header  = ( "Strict-Transport-Security" => "max-age=' . $domain['hsts'];
 					if ($domain['hsts_sub'] == 1) {
-						$vhost_content .= '; includeSubdomains';
+						$vhost_content .= '; includeSubDomains';
 					}
 					if ($domain['hsts_preload'] == 1) {
 						$vhost_content .= '; preload';
diff --git a/scripts/jobs/cron_tasks.inc.http.30.nginx.php b/scripts/jobs/cron_tasks.inc.http.30.nginx.php
index 77f14c71..de6dd6b5 100644
--- a/scripts/jobs/cron_tasks.inc.http.30.nginx.php
+++ b/scripts/jobs/cron_tasks.inc.http.30.nginx.php
@@ -631,7 +631,7 @@ class nginx extends HttpConfigBase {
 			if (isset($domain_or_ip['hsts']) && $domain_or_ip['hsts'] > 0) {
     			    $vhost_content .= 'add_header Strict-Transport-Security "max-age=' . $domain_or_ip['hsts'];
     			    if ($domain_or_ip['hsts_sub'] == 1) {
-    				    $vhost_content .= '; includeSubdomains';
+    				    $vhost_content .= '; includeSubDomains';
     			    }
     			    if ($domain_or_ip['hsts_preload'] == 1) {
     				    $vhost_content .= '; preload';