diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c
index c6314c6bf9..9da46f4456 100644
--- a/hw/m68k/q800.c
+++ b/hw/m68k/q800.c
@@ -376,8 +376,9 @@ static void q800_machine_init(MachineState *machine)
 
     /* SCSI */
 
-    dev = qdev_new(TYPE_SYSBUS_ESP);
-    sysbus_esp = SYSBUS_ESP(dev);
+    object_initialize_child(OBJECT(machine), "esp", &m->esp,
+                            TYPE_SYSBUS_ESP);
+    sysbus_esp = SYSBUS_ESP(&m->esp);
     esp = &sysbus_esp->esp;
     esp->dma_memory_read = NULL;
     esp->dma_memory_write = NULL;
@@ -385,8 +386,8 @@ static void q800_machine_init(MachineState *machine)
     sysbus_esp->it_shift = 4;
     esp->dma_enabled = 1;
 
-    sysbus = SYS_BUS_DEVICE(dev);
-    sysbus_realize_and_unref(sysbus, &error_fatal);
+    sysbus = SYS_BUS_DEVICE(&m->esp);
+    sysbus_realize(sysbus, &error_fatal);
     /* SCSI and SCSI data IRQs are negative edge triggered */
     sysbus_connect_irq(sysbus, 0,
                        qemu_irq_invert(
diff --git a/include/hw/m68k/q800.h b/include/hw/m68k/q800.h
index 36e1bd8e4e..8f23e0c4c6 100644
--- a/include/hw/m68k/q800.h
+++ b/include/hw/m68k/q800.h
@@ -32,6 +32,7 @@
 #include "hw/net/dp8393x.h"
 #include "hw/char/escc.h"
 #include "hw/or-irq.h"
+#include "hw/scsi/esp.h"
 
 /*
  * The main Q800 machine
@@ -48,6 +49,7 @@ struct Q800MachineState {
     dp8393xState dp8393x;
     ESCCState escc;
     OrIRQState escc_orgate;
+    SysBusESPState esp;
     MemoryRegion macio;
     MemoryRegion macio_alias;
 };