diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d4f1e9c1..cc83a095d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
     * Added back missing `page.types` field in system content configuration [admin#1612](https://github.com/getgrav/grav-plugin-admin/issues/1612)
 1. [](#bugfix)
     * Fixed validation for select field type with selectize
+    * Fixed validation for boolean toggles
     * Fixed `Flex[class]::getType()` to return the same value in every class
     * Fixed `FlexIndex` keys being lost when `FlexCollection` gets loaded
     * Fixed missing `form_nonce` for JS when using `FlexForm`
diff --git a/system/src/Grav/Common/Data/Validation.php b/system/src/Grav/Common/Data/Validation.php
index de3c12e33..47a197677 100644
--- a/system/src/Grav/Common/Data/Validation.php
+++ b/system/src/Grav/Common/Data/Validation.php
@@ -86,7 +86,7 @@ class Validation
      */
     public static function filter($value, array $field)
     {
-        $validate = (array)($field['validate'] ?? null);
+        $validate = (array)($field['filter'] ?? $field['validate'] ?? null);
 
         // If value isn't required, we will return null if empty value is given.
         if (($value === null || $value === '') && empty($validate['required'])) {
@@ -96,7 +96,7 @@ class Validation
         if (!isset($field['type'])) {
             $field['type'] = 'text';
         }
-        $type = $field['validate']['type'] ?? $field['type'];
+        $type = $field['filter']['type'] ?? $field['validate']['type'] ?? $field['type'];
 
         $method = 'filter' . ucfirst(str_replace('-', '_', $type));
 
@@ -285,6 +285,10 @@ class Validation
      */
     public static function typeToggle($value, array $params, array $field)
     {
+        if (\is_bool($value)) {
+            $value = (int)$value;
+        }
+
         return self::typeArray((array) $value, $params, $field);
     }
 
@@ -545,6 +549,7 @@ class Validation
     public static function typeArray($value, array $params, array $field)
     {
         if (!\is_array($value)) {
+            var_dump($value);
             return false;
         }
 
@@ -566,7 +571,7 @@ class Validation
         $options = $field['options'] ?? [];
         $use = $field['use'] ?? 'values';
 
-        if (empty($field['selectize'])) {
+        if (empty($field['selectize']) || empty($field['multiple'])) {
             $options = array_keys($options);
         }
         if ($use === 'keys') {