diff --git a/usr.sbin/syslogd/syslogd.h b/usr.sbin/syslogd/syslogd.h
--- a/usr.sbin/syslogd/syslogd.h
+++ b/usr.sbin/syslogd/syslogd.h
@@ -314,6 +314,7 @@
 extern int MarkInterval;
 extern int MaxForwardLen;
 extern int family;
+extern int kq;
 extern int logflags;
 extern int no_compress;
 extern int nulldesc;
diff --git a/usr.sbin/syslogd/syslogd.c b/usr.sbin/syslogd/syslogd.c
--- a/usr.sbin/syslogd/syslogd.c
+++ b/usr.sbin/syslogd/syslogd.c
@@ -155,6 +155,7 @@
 int	MarkInterval = 20 * 60;	/* interval between marks in seconds */
 int	MaxForwardLen = 1024;	/* max length of forwared message */
 int	family = PF_UNSPEC; /* protocol family */
+int	kq;		/* kqueue descriptor */
 int	logflags = O_WRONLY | O_APPEND; /* flags used to open log files */
 int	no_compress;	/* don't compress messages (1=pipes, 2=all) */
 int 	nulldesc;	/* /dev/null descriptor */
@@ -1306,7 +1307,7 @@
 	struct socklist *sl;
 	sigset_t sigset = { };
 	pid_t ppid = -1, spid;
-	int ch, kq, error;
+	int ch, error;
 	char *p;
 	bool bflag = false, pflag = false, Sflag = false;
 
diff --git a/usr.sbin/syslogd/syslogd_log.c b/usr.sbin/syslogd/syslogd_log.c
--- a/usr.sbin/syslogd/syslogd_log.c
+++ b/usr.sbin/syslogd/syslogd_log.c
@@ -61,6 +61,7 @@
  */
 
 #include <sys/param.h>
+#include <sys/event.h>
 #include <sys/procdesc.h>
 #include <sys/queue.h>
 #include <sys/stat.h>
@@ -119,6 +120,7 @@
 static int
 p_open(const char *prog, int *rpd)
 {
+	struct kevent ev;
 	int pfd[2], pd;
 	pid_t pid;
 	sigset_t sigset = { };
@@ -178,6 +180,11 @@
 			       (int)pid);
 		logerror(errmsg);
 	}
+	EV_SET(&ev, pd, EVFILT_PROCDESC, EV_ADD, 0, 0, NULL);
+	if (kevent(kq, &ev, 1, NULL, 0, NULL) == -1) {
+		logerror("kqueue");
+		exit(1);
+	}
 	*rpd = pd;
 	return (pfd[1]);
 }