diff --git a/ndhc/packet.c b/ndhc/packet.c
index b6946fa..dfa7bf5 100644
--- a/ndhc/packet.c
+++ b/ndhc/packet.c
@@ -102,12 +102,13 @@ static int create_udp_socket(uint32_t ip, uint16_t port, char *iface)
     return -1;
 }
 
-// Returns fd of new listen socket bound to @ip:@port on interface @inf
+// Returns fd of new listen socket bound to 0.0.0.0:@68 on interface @inf
 // on success, or -1 on failure.
-static int create_udp_listen_socket(struct client_state_t *cs, unsigned int ip, int port, char *inf)
+static int create_udp_listen_socket(struct client_state_t *cs, char *inf)
 {
-    log_line("Opening listen socket on 0x%08x:%d %s", ip, port, inf);
-    int fd = create_udp_socket(ip, port, inf);
+    log_line("Opening listen socket on 0x%08x:%d %s", INADDR_ANY,
+             DHCP_CLIENT_PORT, inf);
+    int fd = create_udp_socket(INADDR_ANY, DHCP_CLIENT_PORT, inf);
     if (fd == -1)
         return -1;
     int opt = 1;
@@ -466,8 +467,7 @@ static void change_listen_mode(struct client_state_t *cs, int new_mode)
     }
     cs->listenFd = new_mode == LM_RAW ?
         create_raw_listen_socket(cs, client_config.ifindex) :
-        create_udp_listen_socket(cs, INADDR_ANY, DHCP_CLIENT_PORT,
-                                 client_config.interface);
+        create_udp_listen_socket(cs, client_config.interface);
     if (cs->listenFd < 0) {
         log_error("FATAL: couldn't listen on socket: %s.", strerror(errno));
         exit(EXIT_FAILURE);