diff --git a/modules/cas_cache/volume/vol_block_dev_top.c b/modules/cas_cache/volume/vol_block_dev_top.c
index 2a682ea..e4ed365 100644
--- a/modules/cas_cache/volume/vol_block_dev_top.c
+++ b/modules/cas_cache/volume/vol_block_dev_top.c
@@ -204,8 +204,9 @@ static void blkdev_complete_data_master(struct blk_data *master, int error)
 
 	cas_generic_end_io_acct(master->bio, master->start_time);
 
-	result = master->error ? -EIO : 0;
-	CAS_BIO_ENDIO(master->bio, master->master_size, CAS_ERRNO_TO_BLK_STS(result));
+	result = map_cas_err_to_generic(master->error);
+	CAS_BIO_ENDIO(master->bio, master->master_size,
+			CAS_ERRNO_TO_BLK_STS(result));
 	cas_free_blk_data(master);
 }
 
@@ -340,7 +341,7 @@ err:
 static void blkdev_complete_discard(struct ocf_io *io, int error)
 {
 	struct bio *bio = io->priv1;
-	int result = error ? -EIO : 0;
+	int result = map_cas_err_to_generic(error);
 
 	CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio), CAS_ERRNO_TO_BLK_STS(result));
 	ocf_io_put(io);
@@ -382,7 +383,7 @@ static void blkdev_complete_flush(struct ocf_io *io, int error)
 {
 	struct bio *bio = io->priv1;
 	struct bd_object *bvol = io->priv2;
-	int result = error ? -EIO : 0;
+	int result = map_cas_err_to_generic(error);
 
 	ocf_io_put(io);