String based properties cannot be loaded through System properties

Selenium cannot load String based properties in configuration due to missing handler for String based properties.

Caused by: java.lang.IllegalArgumentException: Unable to convert value org.openqa.selenium.firefox.FirefoxDriverto a class: java.lang.String
at org.jboss.arquillian.selenium.SeleniumExtensionConfiguration$SystemPropertyConfiguration.convert(SeleniumExtensionConfiguration.java:439)
at org.jboss.arquillian.selenium.SeleniumExtensionConfiguration$SystemPropertyConfiguration.get(SeleniumExtensionConfiguration.java:387)
at org.jboss.arquillian.selenium.SeleniumExtensionConfiguration.getWebdriverImplementation(SeleniumExtensionConfiguration.java:346)
at org.jboss.arquillian.selenium.instantiator.WebDriverInstantiator.create(WebDriverInstantiator.java:62)
at org.jboss.arquillian.selenium.instantiator.WebDriverInstantiator.create(WebDriverInstantiator.java:38)
at org.jboss.arquillian.selenium.event.SeleniumStartupHandler.prepareContext(SeleniumStartupHandler.java:86)
at org.jboss.arquillian.selenium.event.SeleniumStartupHandler.callback(SeleniumStartupHandler.java:60)
at org.jboss.arquillian.selenium.event.SeleniumStartupHandler.callback(SeleniumStartupHandler.java:48)
at org.jboss.arquillian.impl.event.MapEventManager.fire(MapEventManager.java:63)