diff --git a/tests/encryption/check_encryption_basic128rsa15.c b/tests/encryption/check_encryption_basic128rsa15.c
index b8f672f2c..7e91840ef 100644
--- a/tests/encryption/check_encryption_basic128rsa15.c
+++ b/tests/encryption/check_encryption_basic128rsa15.c
@@ -222,6 +222,12 @@ START_TEST(encryption_connect) {
     retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
     ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
 
+    /* The SecureChannel nonces of both sides have exactly the
+     * SecureChannelNonceLength of Basic128Rsa15 (16 byte). The remote nonce of
+     * the client is the nonce sent by the server. */
+    ck_assert_uint_eq(client->channel.localNonce.length, 16);
+    ck_assert_uint_eq(client->channel.remoteNonce.length, 16);
+
     UA_Variant val;
     UA_Variant_init(&val);
     UA_NodeId nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE);