diff --git a/sslh-select.c b/sslh-select.c
index 95c16e4..00dfa32 100644
--- a/sslh-select.c
+++ b/sslh-select.c
@@ -462,12 +462,14 @@ void cnx_accept_process(struct select_info* fd_info, struct listen_endpoint* lis
 
 void udp_timeouts(struct select_info* fd_info)
 {
+    time_t now = time(NULL);
+
     for (int i = 0; i < fd_info->max_fd; i++) {
         /* if it's either in read or write set, there is a connection
          * behind that file descriptor */
         if (FD_ISSET(i, &fd_info->fds_r) || FD_ISSET(i, &fd_info->fds_w)) {
             struct connection* cnx = collection_get_cnx_from_fd(fd_info->collection, i);
-            if (cnx && udp_timedout(cnx)) {
+            if (cnx && udp_timedout(now, cnx)) {
                 close(cnx->target_sock);
                 FD_CLR(i, &fd_info->fds_r);
                 FD_CLR(i, &fd_info->fds_w);
diff --git a/udp-listener.c b/udp-listener.c
index 4d0bb97..6209980 100644
--- a/udp-listener.c
+++ b/udp-listener.c
@@ -130,10 +130,8 @@ void udp_s2c_forward(struct connection* cnx)
 
 /* Checks if a connection timed out, in which case close the socket and return
  * 1; otherwise return 0. */
-int udp_timedout(struct connection* cnx)
+int udp_timedout(time_t now, struct connection* cnx)
 {
-    time_t now = time(NULL);
-
     if (cnx->type != SOCK_DGRAM) return 0; /* Not a UDP connection */
 
     if ((now - cnx->last_active > cnx->proto->udp_timeout)) {
diff --git a/udp-listener.h b/udp-listener.h
index bbaf3c2..6c043ff 100644
--- a/udp-listener.h
+++ b/udp-listener.h
@@ -22,6 +22,6 @@ void udp_s2c_forward(struct connection* cnx);
 
 /* Checks if a connection timed out, in which case close the socket and return
  * 1; otherwise return 0. */
-int udp_timedout(struct connection* cnx);
+int udp_timedout(time_t now, struct connection* cnx);
 
 #endif /* UDPLISTENER_H */