diff --git a/Crypto/Scrypt.hs b/Crypto/Scrypt.hs
--- a/Crypto/Scrypt.hs
+++ b/Crypto/Scrypt.hs
@@ -193,10 +193,11 @@
                         else Just (combine newParams salt newHash)
         in (valid, newEncr)
 
--- |Equivalent to @verifyPass defaultParams@.
+-- |Check the 'Pass' against the 'EncryptedPass', using the 'ScryptParams'
+--  encapsulated in the 'EncryptedPass'.
 --
-verifyPass' :: Pass -> EncryptedPass -> (Bool, Maybe EncryptedPass)
-verifyPass' = verifyPass defaultParams
+verifyPass' :: Pass -> EncryptedPass -> Bool
+verifyPass' pass encrypted = fst $ verifyPass defaultParams pass encrypted
 
 ------------------------------------------------------------------------------
 -- $low-level
diff --git a/scrypt.cabal b/scrypt.cabal
--- a/scrypt.cabal
+++ b/scrypt.cabal
@@ -1,5 +1,5 @@
 name:           scrypt
-version:        0.3.0
+version:        0.3.1
 license:        BSD3
 license-file:   LICENSE
 category:       Cryptography