diff --git a/include/hw/compat.h b/include/hw/compat.h
index 4a43466..94c8097 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -2,7 +2,27 @@
 #define HW_COMPAT_H
 
 #define HW_COMPAT_2_3 \
-        /* empty */
+        {\
+            .driver   = "virtio-blk-pci",\
+            .property = "any_layout",\
+            .value    = "off",\
+        },{\
+            .driver   = "virtio-balloon-pci",\
+            .property = "any_layout",\
+            .value    = "off",\
+        },{\
+            .driver   = "virtio-serial-pci",\
+            .property = "any_layout",\
+            .value    = "off",\
+        },{\
+            .driver   = "virtio-9p-pci",\
+            .property = "any_layout",\
+            .value    = "off",\
+        },{\
+            .driver   = "virtio-rng-pci",\
+            .property = "any_layout",\
+            .value    = "off",\
+        },
 
 #define HW_COMPAT_2_2 \
         /* empty */