1 files changed, 5 insertions, 1 deletions

diff --git a/src/firejail/arp.c b/src/firejail/arp.c
index d4288b29e..ed14eb171 100644
--- a/src/firejail/arp.c
+++ b/src/firejail/arp.c
@@ -197,7 +197,11 @@ int arp_check(const char *dev, uint32_t destaddr) {
                 double timeout = timerend - now;
                 ts.tv_sec = timeout;
                 ts.tv_usec = (timeout - ts.tv_sec) * 1000000;
-                int nready = select(maxfd + 1,  &fds, (fd_set *) 0, (fd_set *) 0, &ts);
+                if (ts.tv_sec < 0)
+                        ts.tv_sec = 0;
+                if (ts.tv_usec < 0)
+                        ts.tv_usec = 0;
+                int nready = select(maxfd + 1, &fds, (fd_set *) 0, (fd_set *) 0, &ts);
                 if (nready < 0)
                         errExit("select");
                 else if (nready == 0) { // timeout