diff --git a/should-not-typecheck.cabal b/should-not-typecheck.cabal
--- a/should-not-typecheck.cabal
+++ b/should-not-typecheck.cabal
@@ -1,5 +1,5 @@
 name:                should-not-typecheck
-version:             1.0
+version:             1.0.1
 synopsis:            A HUnit/hspec assertion library to verify that an expression does not typecheck
 description:
   For examples and an introduction to the library please take a look at the <https://github.com/CRogers/should-not-typecheck#should-not-typecheck- README> on github.
diff --git a/src/Test/ShouldNotTypecheck.hs b/src/Test/ShouldNotTypecheck.hs
--- a/src/Test/ShouldNotTypecheck.hs
+++ b/src/Test/ShouldNotTypecheck.hs
@@ -1,6 +1,6 @@
 module Test.ShouldNotTypecheck (shouldNotTypecheck) where
 
-import Control.Exception (evaluate, try, throw, ErrorCall(..))
+import Control.Exception (evaluate, try, throwIO, ErrorCall(..))
 import Data.List (isSuffixOf)
 import Test.HUnit.Lang (Assertion, assertFailure)
 
@@ -18,4 +18,4 @@
     Right _ -> assertFailure "Expected expression to not compile but it did compile"
     Left (ErrorCall msg) -> case isSuffixOf "(deferred type error)" msg of
       True -> return ()
-      False -> throw (ErrorCall msg)
+      False -> throwIO (ErrorCall msg)