diff --git a/system/src/Grav/Common/Data/Validation.php b/system/src/Grav/Common/Data/Validation.php
index d4f576969..bd1a34d10 100644
--- a/system/src/Grav/Common/Data/Validation.php
+++ b/system/src/Grav/Common/Data/Validation.php
@@ -375,7 +375,7 @@ class Validation
      * @param  array  $field   Blueprint for the field.
      * @return bool   True if validation succeeded.
      */
-    public static function typeDatetime_local($value, array $params, array $field)
+    public static function typeDatetimeLocal($value, array $params, array $field)
     {
         return self::typeDatetime($value, $params, $field);
     }