--- a/src/privsep.c
+++ b/src/privsep.c
@@ -778,7 +778,7 @@ sig_got_chld(int sig)
     pid_t    pid;
 
     do {
-        pid = waitpid(WAIT_ANY, NULL, WNOHANG);
+        pid = waitpid(-1, NULL, WNOHANG);
         if (pid == child_pid && cur_state < STATE_QUIT)
             cur_state = STATE_QUIT;
     } while (pid > 0 || (pid == -1 && errno == EINTR));