diff --git a/hoist-error.cabal b/hoist-error.cabal
--- a/hoist-error.cabal
+++ b/hoist-error.cabal
@@ -1,5 +1,5 @@
 name:                hoist-error
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Some convenience facilities for hoisting errors into a monad
 license:             MIT
 license-file:        LICENSE
@@ -10,9 +10,14 @@
 build-type:          Simple
 cabal-version:       >=1.10
 
+source-repository head
+    type: git
+    location: https://github.com/alephcloud/hs-hoist-error.git
+
 library
   exposed-modules:     Control.Monad.Error.Hoist
   build-depends:       base >=4.7 && <4.8
                      , mtl >=2.2.1
   hs-source-dirs:      src
   default-language:    Haskell2010
+
diff --git a/src/Control/Monad/Error/Hoist.hs b/src/Control/Monad/Error/Hoist.hs
--- a/src/Control/Monad/Error/Hoist.hs
+++ b/src/Control/Monad/Error/Hoist.hs
@@ -42,7 +42,7 @@
   → m α
 (<%?>) = flip hoistError
 
-infixr 9 <%?>
+infixl 8 <%?>
 {-# INLINE (<%?>) #-}
 
 -- | A version of '<%?>' that operates on values already in the monad.
@@ -56,7 +56,7 @@
   x ← m
   x <%?> e
 
-infixr 9 <%!?>
+infixl 8 <%!?>
 {-# INLINE (<%!?>) #-}
 
 -- | A version of @hoistError@ that ignores the error in @t α@ and replaces it
@@ -69,7 +69,7 @@
   → m α
 m <?> e = m <%?> const e
 
-infixr 9 <?>
+infixl 8 <?>
 {-# INLINE (<?>) #-}
 
 -- | A version of @<?>@ that operates on values already in the monad.
@@ -82,5 +82,5 @@
   x ← m
   x <?> e
 
-infixr 9 <!?>
+infixl 8 <!?>
 {-# INLINE (<!?>) #-}