diff --git a/config.c b/config.c
index f84a61f..c370770 100644
--- a/config.c
+++ b/config.c
@@ -234,7 +234,7 @@
 
   // Attempt to connect to the address. If the connection succeeds and getsockname returns the same
   // the address then the address is already assigned to the system and we can't use it.
-  struct sockaddr_in sin = { .sin_family = AF_INET, .sin_addr = { addr }, .sin_port = 53 };
+  struct sockaddr_in sin = { .sin_family = AF_INET, .sin_addr = { addr }, .sin_port = htons(53) };
   socklen_t len          = sizeof(sin);
   int inuse              = connect(s, (struct sockaddr *)&sin, sizeof(sin)) == 0 &&
               getsockname(s, (struct sockaddr *)&sin, &len) == 0 && (size_t)len >= sizeof(sin) &&