diff --git a/tests/auth/milenage_test.c b/tests/auth/milenage_test.c
index 7aada36..b4c2c79 100644
--- a/tests/auth/milenage_test.c
+++ b/tests/auth/milenage_test.c
@@ -104,6 +104,34 @@
 		       test_aud.u.umts.sqn);
 	}
 
+	/* Now test SQN incrementing scheme using SEQ and IND parts:
+	 * with ind_bitlen == 5 and ind == 10, the next SQN after 31 is
+	 * 32 + 10 == 42. */
+	test_aud.u.umts.ind_bitlen = 5;
+	test_aud.u.umts.ind = 10;
+	rc = osmo_auth_gen_vec_auts(vec, &test_aud, auts, _rand, _rand);
+	if (rc < 0)
+		printf("AUTS failed\n");
+	else
+		printf("AUTS success: tuple generated with SQN = %" PRIu64 "\n",
+		       test_aud.u.umts.sqn);
+
+	/* And the one after that is 64 + 10 == 74 */
+	rc = osmo_auth_gen_vec(vec, &test_aud, _rand);
+	if (rc < 0)
+		printf("generating vector failed\n");
+	else
+		printf("tuple generated with SQN = %" PRIu64 "\n",
+		       test_aud.u.umts.sqn);
+
+	/* And the one after *that* is 96 + 10 == 106 */
+	rc = osmo_auth_gen_vec(vec, &test_aud, _rand);
+	if (rc < 0)
+		printf("generating vector failed\n");
+	else
+		printf("tuple generated with SQN = %" PRIu64 "\n",
+		       test_aud.u.umts.sqn);
+
 	opc_test(&test_aud);
 
 	exit(0);
diff --git a/tests/auth/milenage_test.ok b/tests/auth/milenage_test.ok
index b0eb44b..5a0a602 100644
--- a/tests/auth/milenage_test.ok
+++ b/tests/auth/milenage_test.ok
@@ -6,6 +6,9 @@
 SRES:	21 5f db 4d 
 Kc:	6d e8 16 a7 59 a4 29 12 
 AUTS success: tuple generated with SQN = 32
+AUTS success: tuple generated with SQN = 42
+tuple generated with SQN = 74
+tuple generated with SQN = 106
 MILENAGE supported: 1
 OP:	00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
 OPC:	c6 a1 3b 37 87 8f 5b 82 6f 4f 81 62 a1 c8 d8 79