1 files changed, 1 insertions, 0 deletions
diff --git a/block.h b/block.h
index e18f4532ae..fa741b55a5 100644
--- a/block.h
+++ b/block.h
@@ -16,6 +16,7 @@ extern BlockDriver bdrv_vpc;
 extern BlockDriver bdrv_vvfat;
 extern BlockDriver bdrv_qcow2;
 extern BlockDriver bdrv_parallels;
+extern BlockDriver bdrv_nbd;
 
 typedef struct BlockDriverInfo {
     /* in bytes, 0 if irrelevant */