diff --git a/src/libsystemd-network/test-dhcp-client.c b/src/libsystemd-network/test-dhcp-client.c
index 06a0cd8480..fe2a88d8f3 100644
--- a/src/libsystemd-network/test-dhcp-client.c
+++ b/src/libsystemd-network/test-dhcp-client.c
@@ -148,8 +148,8 @@ static void test_dhcp_identifier_set_iaid(void) {
         uint32_t iaid_legacy;
         be32_t iaid;
 
-        assert_se(dhcp_identifier_set_iaid(NULL, &hw_addr, /* legacy = */ true, &iaid_legacy) >= 0);
-        assert_se(dhcp_identifier_set_iaid(NULL, &hw_addr, /* legacy = */ false, &iaid) >= 0);
+        assert_se(dhcp_identifier_set_iaid(NULL, &hw_addr, /* legacy_unstable_byteorder = */ true, &iaid_legacy) >= 0);
+        assert_se(dhcp_identifier_set_iaid(NULL, &hw_addr, /* legacy_unstable_byteorder = */ false, &iaid) >= 0);
 
         /* we expect, that the MAC address was hashed. The legacy value is in native
          * endianness. */
@@ -169,7 +169,7 @@ static int check_options(uint8_t code, uint8_t len, const void *option, void *us
                 uint32_t iaid;
 
                 assert_se(sd_dhcp_duid_set_en(&duid) >= 0);
-                assert_se(dhcp_identifier_set_iaid(NULL, &hw_addr, /* legacy = */ true, &iaid) >= 0);
+                assert_se(dhcp_identifier_set_iaid(NULL, &hw_addr, /* legacy_unstable_byteorder = */ true, &iaid) >= 0);
 
                 assert_se(len == sizeof(uint8_t) + sizeof(uint32_t) + duid.size);
                 assert_se(len == 19);