diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 3e230debb8..45a24e4fa6 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -972,7 +972,7 @@ static Property virtio_blk_properties[] = {
     DEFINE_PROP_STRING("serial", VirtIOBlock, conf.serial),
     DEFINE_PROP_BIT("config-wce", VirtIOBlock, conf.config_wce, 0, true),
 #ifdef __linux__
-    DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, true),
+    DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, false),
 #endif
     DEFINE_PROP_BIT("request-merging", VirtIOBlock, conf.request_merging, 0,
                     true),
diff --git a/include/hw/compat.h b/include/hw/compat.h
index 095de5d12f..93e71afb4a 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -2,7 +2,11 @@
 #define HW_COMPAT_H
 
 #define HW_COMPAT_2_4 \
-        /* empty */
+        {\
+            .driver   = "virtio-blk-device",\
+            .property = "scsi",\
+            .value    = "true",\
+        },
 
 #define HW_COMPAT_2_3 \
         {\