diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+0.2.0.2
+=======
+
+-   Compile on 32-bit systems.
+
 0.2.0.1
 =======
 
diff --git a/pinch.cabal b/pinch.cabal
--- a/pinch.cabal
+++ b/pinch.cabal
@@ -1,9 +1,9 @@
--- This file has been generated from package.yaml by hpack version 0.13.0.
+-- This file has been generated from package.yaml by hpack version 0.14.0.
 --
 -- see: https://github.com/sol/hpack
 
 name:           pinch
-version:        0.2.0.1
+version:        0.2.0.2
 cabal-version:  >= 1.10
 build-type:     Simple
 license:        BSD3
diff --git a/src/Pinch/Internal/Bits.hs b/src/Pinch/Internal/Bits.hs
--- a/src/Pinch/Internal/Bits.hs
+++ b/src/Pinch/Internal/Bits.hs
@@ -18,7 +18,7 @@
 
 #if defined(__GLASGOW_HASKELL__) && !defined(__HADDOCK__)
 import GHC.Base (Int (..), uncheckedShiftL#)
-import GHC.Word (Word16 (..), Word32 (..), Word64 (..))
+import GHC.Word (Word16 (..), Word32 (..), Word64 (..), uncheckedShiftL64#)
 #else
 import Data.Bits (shiftL)
 import Data.Word (Word16, Word32, Word64)
@@ -38,7 +38,7 @@
 #if defined(__GLASGOW_HASKELL__) && !defined(__HADDOCK__)
 w16ShiftL (W16# w) (I# i) = W16# (w `uncheckedShiftL#` i)
 w32ShiftL (W32# w) (I# i) = W32# (w `uncheckedShiftL#` i)
-w64ShiftL (W64# w) (I# i) = W64# (w `uncheckedShiftL#` i)
+w64ShiftL (W64# w) (I# i) = W64# (w `uncheckedShiftL64#` i)
 #else
 w16ShiftL = shiftL
 w32ShiftL = shiftL