diff --git a/Source/CTest/cmCTestTestHandler.h b/Source/CTest/cmCTestTestHandler.h
index 7e471985d..b89eb29b8 100644
--- a/Source/CTest/cmCTestTestHandler.h
+++ b/Source/CTest/cmCTestTestHandler.h
@@ -176,7 +176,7 @@ private:
   tm_ListOfTests m_TestList;
   cmsys::RegularExpression m_DartStuff;
 
-  ostream* m_LogFile;
+  std::ostream* m_LogFile;
 };
 
 #endif