Second monitor is not identified correctly

[jce]

Speccy does not identify my second monitor correctly, it simply gives the model of my first one again as second monitor.

 

Screenshot:

 

In reality I have: Dell U2410 (primary) and HP LA2405 (secondary)

 

Both my monitors are connected via DVI, both have DDC2 support and both are correctly identified by the OS or other tools, e.g. see the following screens from the graphics driver:

 

Thanks for your help!