inputverifier

How to trigger Java Swing InputVerifier on enter in JComboBox (actionPerformed)?

I have a Swing JComboBox with an InputVerifier set correctly. I am using the combo box to set an integer. If I type "cat" in the field and hit tab, my InputVerifier triggers and resets the value to "0". If I type "cat" and hit enter, my InputVerifier is never called from actionPerformed. Do I need to explicitly call my InputVerifier ...