diff --git a/src/machine/machine-varlink.c b/src/machine/machine-varlink.c
index 377b3d3f0e..60792d76b1 100644
--- a/src/machine/machine-varlink.c
+++ b/src/machine/machine-varlink.c
@@ -132,7 +132,7 @@ int vl_method_register(Varlink *link, JsonVariant *parameters, VarlinkMethodFlag
                 { "leader",            JSON_VARIANT_UNSIGNED, machine_leader,              offsetof(Machine, leader),               0 },
                 { "rootDirectory",     JSON_VARIANT_STRING,   json_dispatch_absolute_path, offsetof(Machine, root_directory),       0 },
                 { "ifIndices",         JSON_VARIANT_ARRAY,    machine_ifindices,           0,                                       0 },
-                { "vsockCid",          JSON_VARIANT_UNSIGNED, machine_cid,                 offsetof(Machine, vsock_cid),            0 },
+                { "vSockCid",          JSON_VARIANT_UNSIGNED, machine_cid,                 offsetof(Machine, vsock_cid),            0 },
                 { "sshAddress",        JSON_VARIANT_STRING,   json_dispatch_string,        offsetof(Machine, ssh_address),          JSON_SAFE },
                 { "sshPrivateKeyPath", JSON_VARIANT_STRING,   json_dispatch_absolute_path, offsetof(Machine, ssh_private_key_path), 0 },
                 {}
diff --git a/src/shared/varlink-io.systemd.Machine.c b/src/shared/varlink-io.systemd.Machine.c
index 936f01f366..6675492076 100644
--- a/src/shared/varlink-io.systemd.Machine.c
+++ b/src/shared/varlink-io.systemd.Machine.c
@@ -12,7 +12,7 @@ static VARLINK_DEFINE_METHOD(
                 VARLINK_DEFINE_INPUT(leader,            VARLINK_INT,    VARLINK_NULLABLE),
                 VARLINK_DEFINE_INPUT(rootDirectory,     VARLINK_STRING, VARLINK_NULLABLE),
                 VARLINK_DEFINE_INPUT(ifIndices,         VARLINK_INT,    VARLINK_ARRAY|VARLINK_NULLABLE),
-                VARLINK_DEFINE_INPUT(vsockCid,          VARLINK_INT,    VARLINK_NULLABLE),
+                VARLINK_DEFINE_INPUT(vSockCid,          VARLINK_INT,    VARLINK_NULLABLE),
                 VARLINK_DEFINE_INPUT(sshAddress,        VARLINK_STRING, VARLINK_NULLABLE),
                 VARLINK_DEFINE_INPUT(sshPrivateKeyPath, VARLINK_STRING, VARLINK_NULLABLE));
 
diff --git a/src/vmspawn/vmspawn-register.c b/src/vmspawn/vmspawn-register.c
index 35c1455945..ed70df5fb8 100644
--- a/src/vmspawn/vmspawn-register.c
+++ b/src/vmspawn/vmspawn-register.c
@@ -67,7 +67,7 @@ int register_machine(
                                         JSON_BUILD_PAIR_CONDITION(!sd_id128_is_null(uuid), "id", JSON_BUILD_ID128(uuid)),
                                         JSON_BUILD_PAIR_STRING("service", service),
                                         JSON_BUILD_PAIR_STRING("class", "vm"),
-                                        JSON_BUILD_PAIR_CONDITION(VSOCK_CID_IS_REGULAR(cid), "vsockCid", JSON_BUILD_UNSIGNED(cid)),
+                                        JSON_BUILD_PAIR_CONDITION(VSOCK_CID_IS_REGULAR(cid), "vSockCid", JSON_BUILD_UNSIGNED(cid)),
                                         JSON_BUILD_PAIR_CONDITION(directory, "rootDirectory", JSON_BUILD_STRING(directory)),
                                         JSON_BUILD_PAIR_CONDITION(address, "sshAddress", JSON_BUILD_STRING(address)),
                                         JSON_BUILD_PAIR_CONDITION(key_path, "sshPrivateKeyPath", JSON_BUILD_STRING(key_path))));