diff --git a/modules/backend/classes/FilterScope.php b/modules/backend/classes/FilterScope.php
index f836e2ff1..6989aa376 100644
--- a/modules/backend/classes/FilterScope.php
+++ b/modules/backend/classes/FilterScope.php
@@ -140,8 +140,7 @@ class FilterScope
         if ($this->idPrefix)
             $id = $this->idPrefix . '-' . $id;
 
-        $id = rtrim(str_replace(['[', ']'], '-', $id), '-');
-        return $id;
+        return Str::evalHtmlId($id);
     }
 
 }
\ No newline at end of file
diff --git a/modules/backend/classes/FormField.php b/modules/backend/classes/FormField.php
index 267b78bc0..f9804e927 100644
--- a/modules/backend/classes/FormField.php
+++ b/modules/backend/classes/FormField.php
@@ -285,7 +285,6 @@ class FormField
         if ($this->idPrefix)
             $id = $this->idPrefix . '-' . $id;
 
-        $id = rtrim(str_replace(['[', ']'], '-', $id), '-');
-        return $id;
+        return Str::evalHtmlId($id);
     }
 }
\ No newline at end of file
diff --git a/modules/backend/classes/WidgetBase.php b/modules/backend/classes/WidgetBase.php
index 39d7a9421..3c05e776a 100644
--- a/modules/backend/classes/WidgetBase.php
+++ b/modules/backend/classes/WidgetBase.php
@@ -131,9 +131,7 @@ abstract class WidgetBase
         if ($suffix !== null)
             $id .= '-' . $suffix;
 
-        $id = rtrim(str_replace(['[', ']'], '-', $id), '-');
-
-        return $id;
+        return Str::evalHtmlId($id);
     }
 
     /**