diff --git a/src/server/addr.c b/src/server/addr.c
index a21b845..c83b216 100644
--- a/src/server/addr.c
+++ b/src/server/addr.c
@@ -79,10 +79,11 @@ void print_socket_addr(SocketAddr* addr, char* buffer) {
             ntohs(addr->data.v4.sin_port)
         );
     } else {
+        uint8_t* a = (uint8_t*) &addr->data.v6.sin6_addr;
         for(int i = 0; i < 8; i++) {
             APPEND(buffer, "%02hhx%02hhx:",
-                addr->data.v6.sin6_addr.__in6_u.__u6_addr8[i*2 + 0],
-                addr->data.v6.sin6_addr.__in6_u.__u6_addr8[i*2 + 1]
+                a[i*2 + 0],
+                a[i*2 + 1]
             );
         }
         APPEND(buffer, ":[%hu]", ntohs(addr->data.v6.sin6_port));