diff --git a/README.md b/README.md
index 243e1fc..50cc270 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ RouterOS Scripts
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.19-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/global-functions.rsc b/global-functions.rsc
index 50426b6..4744715 100644
--- a/global-functions.rsc
+++ b/global-functions.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.15
+# requires RouterOS, version=7.19
 # requires device-mode, fetch, scheduler
 #
 # global functions
@@ -121,8 +121,8 @@
     :return false;
   }
 
-  :if (([ /certificate/settings/get ]->"builtin-trust-anchors") = "trusted" && \
-       [[ :parse (":return [ :len [ /certificate/builtin/find where common-name=\"" . $CommonName . "\" ] ]") ]] > 0) do={
+  :if ([ /certificate/settings/get builtin-trust-anchors ] = "trusted" && \
+       [ :len [ /certificate/builtin/find where common-name=$CommonName ] ] > 0) do={
     :return true;
   }