diff --git a/src/api/sockets.c b/src/api/sockets.c
index 9052dfa7..20819718 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -200,7 +200,7 @@ static void sockaddr_to_ipaddr_port(const struct sockaddr *sockaddr, ip_addr_t *
                                                     IS_SOCK_ADDR_TYPE_VALID(name))
 #define SOCK_ADDR_TYPE_MATCH_OR_UNSPEC(name, sock) (((name)->sa_family == AF_UNSPEC) || \
                                                     SOCK_ADDR_TYPE_MATCH(name, sock))
-#define IS_SOCK_ADDR_ALIGNED(name)      ((((mem_ptr_t)(name)) % 4) == 0)
+#define IS_SOCK_ADDR_ALIGNED(name)      ((((mem_ptr_t)(name)) % LWIP_MIN(4, MEM_ALIGNMENT)) == 0)
 
 
 #define LWIP_SOCKOPT_CHECK_OPTLEN(sock, optlen, opttype) do { if ((optlen) < sizeof(opttype)) { done_socket(sock); return EINVAL; }}while(0)