3 files changed, 6 insertions, 0 deletions
diff --git a/compiler/specialise/Rules.hs b/compiler/specialise/Rules.hs
index a0f42cd2b5..ec19740d0f 100644
--- a/compiler/specialise/Rules.hs
+++ b/compiler/specialise/Rules.hs
@@ -28,6 +28,8 @@ module Rules (
 
 #include "HsVersions.h"
 
+import GhcPrelude
+
 import CoreSyn          -- All of it
 import Module           ( Module, ModuleSet, elemModuleSet )
 import CoreSubst
diff --git a/compiler/specialise/SpecConstr.hs b/compiler/specialise/SpecConstr.hs
index 2b9c20aa19..609e70c0ad 100644
--- a/compiler/specialise/SpecConstr.hs
+++ b/compiler/specialise/SpecConstr.hs
@@ -19,6 +19,8 @@ module SpecConstr(
 
 #include "HsVersions.h"
 
+import GhcPrelude
+
 import CoreSyn
 import CoreSubst
 import CoreUtils
diff --git a/compiler/specialise/Specialise.hs b/compiler/specialise/Specialise.hs
index 83f1ed78bb..c4fe042b1f 100644
--- a/compiler/specialise/Specialise.hs
+++ b/compiler/specialise/Specialise.hs
@@ -9,6 +9,8 @@ module Specialise ( specProgram, specUnfolding ) where
 
 #include "HsVersions.h"
 
+import GhcPrelude
+
 import Id
 import TcType hiding( substTy )
 import Type   hiding( substTy, extendTvSubstList )