[TYPO3-commerce] Quick question: Attribute values "zero"

[Frank Mey]

Hi list,

I'm using commerce 0.12.4 branch and TYPO3 4.3.3. and have a slight problem:
  - In articles view, the attribute value is not shown if it is zero. 
Only the attribute name and unit is shown.

Is this a commerce config problem or maybe a bug ? If the shop is 
online, it will be necessary to render the "0"
values because of german food law an article sorting.

Thx 4 help...

Mit freundlichen Gruessen
Best regards

-- 
Frank Mey