diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -6897,9 +6897,9 @@
 
     cmdutil.check_at_most_one_arg(opts, 'rev', 'change')
     opts = pycompat.byteskwargs(opts)
-    revs = opts.get(b'rev')
-    change = opts.get(b'change')
-    terse = opts.get(b'terse')
+    revs = opts.get(b'rev', [])
+    change = opts.get(b'change', b'')
+    terse = opts.get(b'terse', _NOTTERSE)
     if terse is _NOTTERSE:
         if revs:
             terse = b''