A 77-year-old Dutchman is suing gambling company Bingoal for failing to intervene after his 17-year-old grandson lost more than 162,000 euros [$177,000] from his savings account gambling in just under two months last year, NOS reported.

However, the grandson not only tried his supposed luck at Bingoal but also at 18 other providers, where he gambled away a total of over half a million euros from his grandfather. The minor was able to gain access to the 77-year-old’s savings account by sending a copy of his father’s passport to the gambling company. Until then, the father had managed the grandfather’s accounts.

Now the grandfather went to court and accused the company of doing nothing for months when the 17-year-old’s debts skyrocketed.