1 files changed, 1 insertions, 1 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 24958acd33..d518703e3e 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -301,7 +301,7 @@ struct BlockDriver {
      * will be called instead.
      */
     int coroutine_fn (*bdrv_co_pwrite_zeroes)(BlockDriverState *bs,
-        int64_t offset, int bytes, BdrvRequestFlags flags);
+        int64_t offset, int64_t bytes, BdrvRequestFlags flags);
     int coroutine_fn (*bdrv_co_pdiscard)(BlockDriverState *bs,
         int64_t offset, int bytes);