diff --git a/shadowsocks/crypto/table.py b/shadowsocks/crypto/table.py
index 6f16d26..08c1205 100644
--- a/shadowsocks/crypto/table.py
+++ b/shadowsocks/crypto/table.py
@@ -170,7 +170,7 @@ def test_encryption():
     from shadowsocks.crypto import util
 
     cipher = TableCipher(b'table', b'test', b'', 1)
-    decipher = TableCipher(b'rc4-md5', b'test', b'', 0)
+    decipher = TableCipher(b'table', b'test', b'', 0)
 
     util.run_cipher(cipher, decipher)