diff --git a/usr.sbin/syslogd/tests/syslogd_test.sh b/usr.sbin/syslogd/tests/syslogd_test.sh
--- a/usr.sbin/syslogd/tests/syslogd_test.sh
+++ b/usr.sbin/syslogd/tests/syslogd_test.sh
@@ -108,7 +108,9 @@
 }
 basic_body()
 {
-    logfile="${PWD}/basic.log"
+    local inet inet6
+    local logfile="${PWD}/basic.log"
+
     printf "user.debug\t${logfile}\n" > "${SYSLOGD_CONFIG}"
     syslogd_start
 
@@ -117,18 +119,18 @@
     atf_check -s exit:0 -o match:"basic: hello, world \(unix\)" \
         tail -n 1 "${logfile}"
 
-    # Grab kernel configuration file.
-    sysctl kern.conftxt > conf.txt
-
-    # We have INET transport; make sure we can use it.
-    if grep -qw "INET" conf.txt; then
+    inet=$(sysctl kern.features.inet)
+    if [ ${inet} -eq 1 ]; then
+        # We have INET transport; make sure we can use it.
         syslogd_log -4 -p user.debug -t basic -h 127.0.0.1 -P "${SYSLOGD_UDP_PORT}" \
             "hello, world (v4)"
         atf_check -s exit:0 -o match:"basic: hello, world \(v4\)" \
             tail -n 1 "${logfile}"
     fi
-    # We have INET6 transport; make sure we can use it.
-    if grep -qw "INET6" conf.txt; then
+
+    inet6=$(sysctl kern.features.inet6)
+    if [ ${inet6} -eq 1 ]; then
+        # We have INET6 transport; make sure we can use it.
         syslogd_log -6 -p user.debug -t basic -h ::1 -P "${SYSLOGD_UDP_PORT}" \
             "hello, world (v6)"
         atf_check -s exit:0 -o match:"basic: hello, world \(v6\)" \