diff --git a/sendfile.cabal b/sendfile.cabal
--- a/sendfile.cabal
+++ b/sendfile.cabal
@@ -1,5 +1,5 @@
 name:          sendfile
-version:       0.7.1
+version:       0.7.2
 stability:     provisional
 synopsis:      A portable sendfile library
 description:   A library which exposes zero-copy sendfile functionality in a portable way. If a platform does not support sendfile, a fallback implementation in haskell is provided.
diff --git a/src/Network/Socket/SendFile/Linux.hsc b/src/Network/Socket/SendFile/Linux.hsc
--- a/src/Network/Socket/SendFile/Linux.hsc
+++ b/src/Network/Socket/SendFile/Linux.hsc
@@ -3,7 +3,7 @@
 module Network.Socket.SendFile.Linux (_sendFile, sendFileIter, sendfile) where
 
 import Data.Int (Int32, Int64)
-import Data.Word (Word32)
+import Data.Word (Word32, Word64)
 import Foreign.C.Error (eAGAIN, getErrno, throwErrno)
 import Foreign.Marshal (alloca)
 import Foreign.Ptr (Ptr)