diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 9afbb8abf50fdbd4236a8a38f4e072aca9a51603..fd82a410b55822c10e3d892db4d1a841451c5327 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2526,7 +2526,7 @@ static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
 	 * ones (such as WRITE SAME or EXTENDED COPY, etc.).  So, without
 	 * O_DIRECT everything must go through SG_IO.
          */
-        if (bdrv_get_flags(s->qdev.conf.bs) & BDRV_O_NOCACHE) {
+        if (!(bdrv_get_flags(s->qdev.conf.bs) & BDRV_O_NOCACHE)) {
             break;
         }