A method is provided for granting access, for user equipment registered in a home mobile network to a wireless local area network. In this method, a probe request is received by an access network server located in the wireless local area network, wherein this probe request includes first information allowing to identify the home mobile network of the user equipment. The access network server determines then at least one access point of the wireless local area network to which the user equipment is allowed to connect, based on the identification of the home mobile network from the first information and sends a response message including at least one access identifier identifying the at least one access point of the wireless local area network.