diff --git a/llvm/include/llvm/Target/TargetSchedInfo.h b/llvm/include/llvm/Target/TargetSchedInfo.h
index 448d02ea9d7973bdd0a459b0d6d296fc748e05eb..b7bd81f35a6b65857b985d1188129340a9bd68e5 100644
--- a/llvm/include/llvm/Target/TargetSchedInfo.h
+++ b/llvm/include/llvm/Target/TargetSchedInfo.h
@@ -305,6 +305,7 @@ protected:
 
 
   friend class ModuloSchedulingPass;
+  friend class MSSchedule;
   
 };