diff --git a/tests/mmsg.c b/tests/mmsg.c
index e3e8435..4dae028 100644
--- a/tests/mmsg.c
+++ b/tests/mmsg.c
@@ -132,13 +132,13 @@
 	assert(dup2(sv[R], R) == R);
 	assert(close(sv[R]) == 0);
 
-	int r = send_mmsg(W, mmh, n_mmh, 0);
+	int r = send_mmsg(W, mmh, n_mmh, MSG_DONTROUTE | MSG_NOSIGNAL);
 	if (r < 0 && errno == ENOSYS)
 		perror_msg_and_skip("sendmmsg");
 	assert((size_t)r == n_mmh);
 	assert(close(W) == 0);
 
-	assert(recv_mmsg(R, mmh, n_mmh, 0, NULL) == n_mmh);
+	assert(recv_mmsg(R, mmh, n_mmh, MSG_DONTWAIT, NULL) == n_mmh);
 	assert(close(R) == 0);
 
 	return 0;
diff --git a/tests/mmsg.expected b/tests/mmsg.expected
index a170718..708e029 100644
--- a/tests/mmsg.expected
+++ b/tests/mmsg.expected
@@ -1,4 +1,4 @@
-sendmmsg(1, {{{msg_name(0)=NULL, msg_iov(2)=[{"one", 3}, {"two", 3}], msg_controllen=0, msg_flags=0}, 6}, {{msg_name(0)=NULL, msg_iov(1)=[{"three", 5}], msg_controllen=0, msg_flags=0}, 5}}, 2, 0) = 2
+sendmmsg(1, {{{msg_name(0)=NULL, msg_iov(2)=[{"one", 3}, {"two", 3}], msg_controllen=0, msg_flags=0}, 6}, {{msg_name(0)=NULL, msg_iov(1)=[{"three", 5}], msg_controllen=0, msg_flags=0}, 5}}, 2, MSG_DONTROUTE|MSG_NOSIGNAL) = 2
  = 2 buffers in vector 0
  * 3 bytes in buffer 0
  | 00000  6f 6e 65                                          one              |
@@ -7,7 +7,7 @@
  = 1 buffers in vector 1
  * 5 bytes in buffer 0
  | 00000  74 68 72 65 65                                    three            |
-recvmmsg(0, {{{msg_name(0)=NULL, msg_iov(2)=[{"one", 3}, {"two", 3}], msg_controllen=0, msg_flags=0}, 6}, {{msg_name(0)=NULL, msg_iov(1)=[{"three", 5}], msg_controllen=0, msg_flags=0}, 5}}, 2, 0, NULL) = 2 (left NULL)
+recvmmsg(0, {{{msg_name(0)=NULL, msg_iov(2)=[{"one", 3}, {"two", 3}], msg_controllen=0, msg_flags=0}, 6}, {{msg_name(0)=NULL, msg_iov(1)=[{"three", 5}], msg_controllen=0, msg_flags=0}, 5}}, 2, MSG_DONTWAIT, NULL) = 2 (left NULL)
  = 2 buffers in vector 0
  * 3 bytes in buffer 0
  | 00000  6f 6e 65                                          one              |