diff --git a/tests/unit/test-smp-parse.c b/tests/unit/test-smp-parse.c
index 47e11089e2..b20bf2c235 100644
--- a/tests/unit/test-smp-parse.c
+++ b/tests/unit/test-smp-parse.c
@@ -478,13 +478,19 @@ static void machine_base_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
 
+    mc->smp_props.prefer_sockets = true;
+
+    mc->name = g_strdup(SMP_MACHINE_NAME);
+}
+
+static void machine_generic_valid_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+
     mc->min_cpus = MIN_CPUS;
     mc->max_cpus = MAX_CPUS;
 
-    mc->smp_props.prefer_sockets = true;
     mc->smp_props.dies_supported = false;
-
-    mc->name = g_strdup(SMP_MACHINE_NAME);
 }
 
 static void machine_generic_invalid_class_init(ObjectClass *oc, void *data)
@@ -606,9 +612,14 @@ static const TypeInfo smp_machine_types[] = {
     {
         .name           = TYPE_MACHINE,
         .parent         = TYPE_OBJECT,
+        .abstract       = true,
         .class_init     = machine_base_class_init,
         .class_size     = sizeof(MachineClass),
         .instance_size  = sizeof(MachineState),
+    }, {
+        .name           = MACHINE_TYPE_NAME("smp-generic-valid"),
+        .parent         = TYPE_MACHINE,
+        .class_init     = machine_generic_valid_class_init,
     }, {
         .name           = MACHINE_TYPE_NAME("smp-generic-invalid"),
         .parent         = TYPE_MACHINE,
@@ -629,7 +640,7 @@ int main(int argc, char *argv[])
     g_test_init(&argc, &argv, NULL);
 
     g_test_add_data_func("/test-smp-parse/generic/valid",
-                         TYPE_MACHINE,
+                         MACHINE_TYPE_NAME("smp-generic-valid"),
                          test_generic_valid);
     g_test_add_data_func("/test-smp-parse/generic/invalid",
                          MACHINE_TYPE_NAME("smp-generic-invalid"),