diff --git a/tests/sys/kern/ktls_test.c b/tests/sys/kern/ktls_test.c
--- a/tests/sys/kern/ktls_test.c
+++ b/tests/sys/kern/ktls_test.c
@@ -1893,7 +1893,13 @@
 	rv = write(sockets[1], outbuf, outbuf_len);
 	ATF_REQUIRE_INTEQ((ssize_t)outbuf_len, rv);
 
-	ATF_REQUIRE(shutdown(sockets[1], SHUT_WR) == 0);
+	/*
+	 * The other end may notice the error and drop the connection
+	 * before this executes resulting in shutdown() failing with
+	 * ENOTCONN.  Ignore this error if it occurs.
+	 */
+	if (shutdown(sockets[1], SHUT_WR) != 0)
+		ATF_REQUIRE_ERRNO(ENOTCONN, true);
 
 	ktls_receive_tls_error(sockets[0], EMSGSIZE);