In the transaction overview, the upcoming direct debits shows the incorrect amount on the upcoming transaction, but shows the correct value in the transaction details and in the upcoming total. The correct value is €15.95, but it shows as just €15 on the transaction itself, cf. screenshot:
I believe it is simply a matter of not stripping the digits in the code.
Overview, image 1: Wrong amount
Transaction, detailed view, image 2: correct amount: