1 files changed, 1 insertions, 1 deletions
diff --git a/block/rbd.c b/block/rbd.c
index 9c3aa638e7..144f350e1f 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -944,7 +944,7 @@ static int qemu_rbd_truncate(BlockDriverState *bs, int64_t offset,
 
     if (prealloc != PREALLOC_MODE_OFF) {
         error_setg(errp, "Unsupported preallocation mode '%s'",
-                   PreallocMode_lookup[prealloc]);
+                   PreallocMode_str(prealloc));
         return -ENOTSUP;
     }