Assalamu Aleykum Shaykh I provide workplace safety consultancy to clients. I inspect their workplac

Assalamu Aleykum Shaykh I provide workplace safety consultancy to clients. I inspect their workplaces for safety issues and advise them to implement appropriate control measures I have a client who is a departmental shop owner. I recently found out that one of services the shop provides is a counter for buying lottery ticket. If I don’t cover this area, will the fee their pay for my service be considered halal? Or will it still be considered haram as the client generate income from the lottery ticket sales?