What I'm doing wrong here?

I don't get what I'm doing wrong here:

    public SectionBase DeserializeModule(Type moduleType ,string path)
    {
        Type actualType = moduleType;
        SectionBase moduleBase;
        var xmlDeserializer = new XmlSerializer(moduleType);
        using (var streamReader = new StreamReader(path))
        {
            moduleBase = (actualType) xmlDeserializer.Deserialize(streamReader);
        }
        return moduleBase;
    }

I receive an "Cannot solve symbol "actualType" ". SectionBase is the base class from which I inherit the other classes(modules). Can anyone explain to me? Thanks!