diff --git a/src/Core/Form/Container.php b/src/Core/Form/Container.php
index <HASH>..<HASH> 100644
--- a/src/Core/Form/Container.php
+++ b/src/Core/Form/Container.php
@@ -123,7 +123,7 @@ class Container extends Element implements DisableElementsCapableInterface, Serv
 
     public function setIsDisableElementsCapable($flag)
     {
-        $this->options['ais_disable_elements_capable'] = $flag;
+        $this->options['is_disable_elements_capable'] = $flag;
 
         return $this;
     }
[Core] Fixes: setIsDisableElementsCapable() does not work.

Due to a typo in the method, the option key is not correct.

(refs #<I>, gh-<I>)