diff --git a/Crypto/MAC/CMAC.hs b/Crypto/MAC/CMAC.hs
index cfb8a49..a54b189 100644
--- a/Crypto/MAC/CMAC.hs
+++ b/Crypto/MAC/CMAC.hs
@@ -94,7 +94,7 @@ bxor = B.xor
 
 
 cipherIPT :: BlockCipher k => k -> [Word8]
-cipherIPT = expandIPT . blockSize   where
+cipherIPT = expandIPT . blockSize
 
 -- Data type which represents the smallest irreducibule binary polynomial
 -- against specified degree.