diff --git a/src/os/win32/win32_sigar.c b/src/os/win32/win32_sigar.c
index 364ceef9..d0fb63c2 100644
--- a/src/os/win32/win32_sigar.c
+++ b/src/os/win32/win32_sigar.c
@@ -1993,6 +1993,7 @@ static int net_conn_get_tcp(sigar_t *sigar,
 
     for (i = 0; i < tcp->dwNumEntries; i++) {
         sigar_net_connection_t conn;
+        int tcp_state;
         DWORD state = tcp->table[i].dwState;
 
         if (flags & SIGAR_NETCONN_SERVER) {
@@ -2019,6 +2020,47 @@ static int net_conn_get_tcp(sigar_t *sigar,
                   sizeof(conn.remote_address),
                   tcp->table[i].dwRemoteAddr);
 
+        switch (state) {
+          case MIB_TCP_STATE_CLOSED:
+            tcp_state = SIGAR_TCP_CLOSE;
+            break;
+          case MIB_TCP_STATE_LISTEN:
+            tcp_state = SIGAR_TCP_LISTEN;
+            break;
+          case MIB_TCP_STATE_SYN_SENT:
+            tcp_state = SIGAR_TCP_SYN_SENT;
+            break;
+          case MIB_TCP_STATE_SYN_RCVD:
+            tcp_state = SIGAR_TCP_SYN_RECV;
+            break;
+          case MIB_TCP_STATE_ESTAB:
+            tcp_state = SIGAR_TCP_ESTABLISHED;
+            break;
+          case MIB_TCP_STATE_FIN_WAIT1:
+            tcp_state = SIGAR_TCP_FIN_WAIT1;
+            break;
+          case MIB_TCP_STATE_FIN_WAIT2:
+            tcp_state = SIGAR_TCP_FIN_WAIT2;
+            break;
+          case MIB_TCP_STATE_CLOSE_WAIT:
+            tcp_state = SIGAR_TCP_CLOSE_WAIT;
+            break;
+          case MIB_TCP_STATE_CLOSING:
+            tcp_state = SIGAR_TCP_CLOSING;
+            break;
+          case MIB_TCP_STATE_LAST_ACK:
+            tcp_state = SIGAR_TCP_LAST_ACK;
+            break;
+          case MIB_TCP_STATE_TIME_WAIT:
+            tcp_state = SIGAR_TCP_TIME_WAIT;
+            break;
+          case MIB_TCP_STATE_DELETE_TCB:
+          default:
+            tcp_state = SIGAR_TCP_ESTABLISHED; /*XXX*/
+            break;
+        }
+
+        /* XXX conn.state = tcp_state */
         SIGAR_NET_CONNLIST_GROW(connlist);
         memcpy(&connlist->data[connlist->number++],
                &conn, sizeof(conn));