Entity implementing interface wrongly identified for ITD inclusion

package com.test.domain;

public interface DemoInterface<T> {
    public void fooBar(T arg);
}

package com.test.domain;
import org.springframework.roo.addon.javabean.RooJavaBean;
import org.springframework.roo.addon.jpa.activerecord.RooJpaActiveRecord;
import org.springframework.roo.addon.tostring.RooToString;

@RooJavaBean
@RooToString
@RooJpaActiveRecord
public class DemoEntity implements DemoInterface<DemoEntity> {

    @Override
    public void fooBar(T arg) {
        // do something important
    }

    private String name;
}