diff --git a/cmd/restic/cmd_rebuild_index.go b/cmd/restic/cmd_rebuild_index.go
index 768080668..7f150150f 100644
--- a/cmd/restic/cmd_rebuild_index.go
+++ b/cmd/restic/cmd_rebuild_index.go
@@ -62,11 +62,17 @@ func rebuildIndex(ctx context.Context, repo restic.Repository, ignorePacks resti
 	}
 
 	bar := newProgressMax(!globalOptions.Quiet, packs-uint64(len(ignorePacks)), "packs")
-	idx, _, err := index.New(ctx, repo, ignorePacks, bar)
+	idx, invalidFiles, err := index.New(ctx, repo, ignorePacks, bar)
 	if err != nil {
 		return err
 	}
 
+	if globalOptions.verbosity >= 2 {
+		for _, id := range invalidFiles {
+			Printf("skipped incomplete pack file: %v\n", id)
+		}
+	}
+
 	Verbosef("finding old index files\n")
 
 	var supersedes restic.IDs