diff --git a/src/test/test-varlink-idl.c b/src/test/test-varlink-idl.c
index bdac083571..519056d044 100644
--- a/src/test/test-varlink-idl.c
+++ b/src/test/test-varlink-idl.c
@@ -14,6 +14,7 @@
 #include "varlink-io.systemd.Credentials.h"
 #include "varlink-io.systemd.Import.h"
 #include "varlink-io.systemd.Journal.h"
+#include "varlink-io.systemd.Machine.h"
 #include "varlink-io.systemd.ManagedOOM.h"
 #include "varlink-io.systemd.MountFileSystem.h"
 #include "varlink-io.systemd.NamespaceResource.h"
@@ -187,6 +188,8 @@ TEST(parse_format) {
         print_separator();
         test_parse_format_one(&vl_interface_io_systemd_Import);
         print_separator();
+        test_parse_format_one(&vl_interface_io_systemd_Machine);
+        print_separator();
         test_parse_format_one(&vl_interface_xyz_test);
 }