pygost/gost28147.py | 3 +--

diff --git a/pygost/gost28147.py b/pygost/gost28147.py
index c36e2919c9404313611a32294925e8073271fcee9747f0bf3b95676fc325ab4e..a283fd6a108b974a2e5e65ba2f17f8481dedb74fd0e19e478ae8b602f1d23161 100644
--- a/pygost/gost28147.py
+++ b/pygost/gost28147.py
@@ -189,8 +189,7 @@
 def addmod(x, y, mod=2 ** 32):
     """ Modulo adding of two integers
     """
-    r = x + y
-    return r if r < mod else r % mod
+    return (x + y) % mod
 
 
 def _shift11(x):