Form error in Joomla after upgrading to 1.1.1

After upgrading to 1.1.1 i get this JS error on my Joomla website when submitting a form:

Code:
Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('http://mautic.soetkees.nl') does not match the recipient window's origin ('http://www.soetkees.nl').(anonymous function) @ submit?formId=2:4

There are no errors in the mautic log.
Created an issue on github: https://github.com/mautic/mautic-joomla/issues/19

After upgrading to 1.1.1 i get this JS error on my Joomla website when submitting a form:

Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('http://mautic.soetkees.nl') does not match the recipient window's origin ('http://www.soetkees.nl').(anonymous function) @ submit?formId=2:4

There are no errors in the mautic log.
Created an issue on github: https://github.com/mautic/mautic-joomla/issues/19

fixed in 1.1.2