diff --git a/include/llvm/Target/TargetSchedInfo.h b/include/llvm/Target/TargetSchedInfo.h
index 22d8045ae58..5d42d40bcbd 100644
--- a/include/llvm/Target/TargetSchedInfo.h
+++ b/include/llvm/Target/TargetSchedInfo.h
@@ -291,7 +291,7 @@ private:
   }
   
 public:
-  std::vector<pair<int,int> > resourceNumVector;
+  std::vector<std::pair<int,int> > resourceNumVector;
   
 protected:
   unsigned	           numSchedClasses;