diff --git a/src/calibre/utils/unrar.py b/src/calibre/utils/unrar.py
index e57cea62c0..87a96d1fbd 100644
--- a/src/calibre/utils/unrar.py
+++ b/src/calibre/utils/unrar.py
@@ -61,6 +61,14 @@ def names(path_or_stream):
         yield from names(path, only_useful=True)
 
 
+def headers(path_or_stream):
+    from unrardll import headers, is_useful
+    with StreamAsPath(path_or_stream) as path:
+        for h in headers(path):
+            if is_useful(h):
+                yield h
+
+
 def comment(path_or_stream):
     from unrardll import comment
     with StreamAsPath(path_or_stream) as path: