diff --git a/include/vlc_network.h b/include/vlc_network.h
index 184c23acae..eb6a93aa51 100644
--- a/include/vlc_network.h
+++ b/include/vlc_network.h
@@ -124,7 +124,7 @@ int net_Socket (vlc_object_t *obj, int family, int socktype, int proto);
 VLC_API int net_Connect(vlc_object_t *p_this, const char *psz_host, int i_port, int socktype, int protocol);
 #define net_Connect(a, b, c, d, e) net_Connect(VLC_OBJECT(a), b, c, d, e)
 
-VLC_API int * net_Listen(vlc_object_t *p_this, const char *psz_host, int i_port, int socktype, int protocol);
+VLC_API int * net_Listen(vlc_object_t *p_this, const char *psz_host, unsigned i_port, int socktype, int protocol);
 
 #define net_ListenTCP(a, b, c) net_Listen(VLC_OBJECT(a), b, c, \
                                           SOCK_STREAM, IPPROTO_TCP)
diff --git a/src/network/io.c b/src/network/io.c
index 0e6bc1be2c..33fa12ba66 100644
--- a/src/network/io.c
+++ b/src/network/io.c
@@ -104,7 +104,7 @@ int net_Socket (vlc_object_t *p_this, int family, int socktype,
 
 
 int *net_Listen (vlc_object_t *p_this, const char *psz_host,
-                 int i_port, int type, int protocol)
+                 unsigned i_port, int type, int protocol)
 {
     struct addrinfo hints = {
         .ai_socktype = type,