diff --git a/cp/app/Controllers/SystemController.php b/cp/app/Controllers/SystemController.php
index 4e4b0a5..0974e2e 100644
--- a/cp/app/Controllers/SystemController.php
+++ b/cp/app/Controllers/SystemController.php
@@ -385,7 +385,7 @@ class SystemController extends Controller
                     $idntable = '/^(?!-)(?!.*--)[A-Z0-9-]{1,63}(?<!-)(.(?!-)(?!.*--)[A-Z0-9-]{1,63}(?<!-))*$/i';
                     break;
                 case 'cyrillic':
-                    $idntable = '/^[а-яА-ЯґҐєЄіІїЇѝЍћЋљЈ0-9\'ѫѣѭ]+$/u';
+                    $idntable = '/^[а-яА-ЯґҐєЄіІїЇѝЍћЋљЈ0-9ʼѫѣѭ]+$/u';
                     break;
                 case 'japanese':
                     $idntable = '/^[ぁ-んァ-ン一-龯々0-9]+$/u';
diff --git a/cp/resources/views/partials/js-tlds.twig b/cp/resources/views/partials/js-tlds.twig
index 7788c39..78deb23 100644
--- a/cp/resources/views/partials/js-tlds.twig
+++ b/cp/resources/views/partials/js-tlds.twig
@@ -30,7 +30,7 @@
     // Mapping of database string values to script names
     const dbValueToScriptName = {
         '/^(?!-)(?!.*--)[A-Z0-9-]{1,63}(?<!-)(.(?!-)(?!.*--)[A-Z0-9-]{1,63}(?<!-))*$/i': 'ASCII',
-        '/^[а-яА-ЯґҐєЄіІїЇѝЍћЋљЈ0-9\'ѫѣѭ]+$/u': 'Cyrillic',
+        '/^[а-яА-ЯґҐєЄіІїЇѝЍћЋљЈ0-9ʼѫѣѭ]+$/u': 'Cyrillic',
         '/^[ぁ-んァ-ン一-龯々0-9]+$/u': 'Japanese',
         '/^[가-힣0-9]+$/u': 'Korean',
     };