diff --git a/repo/blob/b2/b2_storage.go b/repo/blob/b2/b2_storage.go
index d1b7ab9ed..1c7cfbacd 100644
--- a/repo/blob/b2/b2_storage.go
+++ b/repo/blob/b2/b2_storage.go
@@ -124,7 +124,7 @@ func translateError(err error) error {
 				return blob.ErrBlobNotFound
 			}
 
-			if b2err.Code == "bad_request" && strings.HasPrefix(b2err.Message, "Bad fileId") {
+			if b2err.Code == "bad_request" && strings.HasPrefix(b2err.Message, "Bad file") {
 				// returned in GetMetadata() when fileId is not found.
 				return blob.ErrBlobNotFound
 			}