Product availability problem - difference in category vs product detail

[Defik]

Hi.

 

I have a problem - who hasn't )

 

I have a product which is not on stock.

 

1) in the category listing is shown as "available" - thats wrong

2) At the product detail it shows corectly - not on stock

 

You can see my problem in picture (as attachment).

 

Picture translation:

SKLADEM = on stock

sleva = discount

dostupnost = availability

 

PrestaShop version: 1.4.5.1

 

Please help, how to fix availability in the category listing.

 

Thanks a latte