diff --git a/hw/fdc.c b/hw/fdc.c
index d2bfa71..e875291 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -661,7 +661,7 @@
 }
 
 static const VMStateDescription vmstate_fdc = {
-    .name = "fdc",
+    .name = "fdctrl",
     .version_id = 2,
     .minimum_version_id = 2,
     .minimum_version_id_old = 2,
@@ -699,6 +699,31 @@
     }
 };
 
+static const VMStateDescription vmstate_fdc_isa = {
+    .name = "fdc",
+    .version_id = 2,
+    .minimum_version_id = 2,
+    .minimum_version_id_old = 2,
+    .fields      = (VMStateField []) {
+        /* Controller State */
+        VMSTATE_STRUCT(state, fdctrl_isabus_t, 0, vmstate_fdc, fdctrl_t),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_fdc_sysbus = {
+    .name = "fdc",
+    .version_id = 2,
+    .minimum_version_id = 2,
+    .minimum_version_id_old = 2,
+    .fields      = (VMStateField []) {
+        /* Controller State */
+        VMSTATE_STRUCT(state, fdctrl_sysbus_t, 0, vmstate_fdc, fdctrl_t),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+
 static void fdctrl_external_reset_sysbus(DeviceState *d)
 {
     fdctrl_sysbus_t *sys = container_of(d, fdctrl_sysbus_t, busdev.qdev);
@@ -1998,7 +2023,7 @@
     .qdev.name  = "isa-fdc",
     .qdev.size  = sizeof(fdctrl_isabus_t),
     .qdev.no_user = 1,
-    .qdev.vmsd  = &vmstate_fdc,
+    .qdev.vmsd  = &vmstate_fdc_isa,
     .qdev.reset = fdctrl_external_reset_isa,
     .qdev.props = (Property[]) {
         DEFINE_PROP_DRIVE("driveA", fdctrl_isabus_t, state.drives[0].dinfo),
@@ -2011,7 +2036,7 @@
     .init = sysbus_fdc_init1,
     .qdev.name  = "sysbus-fdc",
     .qdev.size  = sizeof(fdctrl_sysbus_t),
-    .qdev.vmsd  = &vmstate_fdc,
+    .qdev.vmsd  = &vmstate_fdc_sysbus,
     .qdev.reset = fdctrl_external_reset_sysbus,
     .qdev.props = (Property[]) {
         DEFINE_PROP_DRIVE("driveA", fdctrl_sysbus_t, state.drives[0].dinfo),
@@ -2024,7 +2049,7 @@
     .init = sun4m_fdc_init1,
     .qdev.name  = "SUNW,fdtwo",
     .qdev.size  = sizeof(fdctrl_sysbus_t),
-    .qdev.vmsd  = &vmstate_fdc,
+    .qdev.vmsd  = &vmstate_fdc_sysbus,
     .qdev.reset = fdctrl_external_reset_sysbus,
     .qdev.props = (Property[]) {
         DEFINE_PROP_DRIVE("drive", fdctrl_sysbus_t, state.drives[0].dinfo),