diff --git a/ghc/lib/exts/Foreign.lhs b/ghc/lib/exts/Foreign.lhs
index 219279cc62e61fc32449b08a4b50c0b5597ee30f..29f5e3be9793703e120ea8eac1f783f37d4595f6 100644
--- a/ghc/lib/exts/Foreign.lhs
+++ b/ghc/lib/exts/Foreign.lhs
@@ -67,6 +67,7 @@ import PrelGHC     ( indexCharOffForeignObj#, indexIntOffForeignObj#,
 		     indexDoubleOffForeignObj#
 		   )
 import PrelAddr    ( Addr(..) )
+import PrelCCall   ( Word(..) )
 import Word 
    ( 
      indexWord8OffForeignObj