X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/catacomb-python/blobdiff_plain/f77c6b68327aac736a5bb8098ae37df86ae6a5d4..8fc76cc0e1dea41218fca11b3405183252e7f57f:/catacomb/__init__.py

diff --git a/catacomb/__init__.py b/catacomb/__init__.py
index 9178475..65695bb 100644
--- a/catacomb/__init__.py
+++ b/catacomb/__init__.py
@@ -623,7 +623,7 @@ class _tmp:
   def pad(me, sz):
     if sz > me.max: raise ValueError, 'key too large'
     elif sz < me.min: return me.min
-    else: sz += me.mod; return sz - sz%me.mod
+    else: sz += me.mod - 1; return sz - sz%me.mod
 _augment(KeySZRange, _tmp)
 
 class _tmp: