diff --git a/clang/unittests/Lex/PPCallbacksTest.cpp b/clang/unittests/Lex/PPCallbacksTest.cpp
index 3cf0ed4..073e07c 100644
--- a/clang/unittests/Lex/PPCallbacksTest.cpp
+++ b/clang/unittests/Lex/PPCallbacksTest.cpp
@@ -109,7 +109,7 @@
       // Add header's parent path to search path.
       StringRef SearchPath = path::parent_path(HeaderPath);
       const DirectoryEntry *DE = FileMgr.getDirectory(SearchPath);
-      DirectoryLookup DL(DE, SrcMgr::C_User, true, false);
+      DirectoryLookup DL(DE, SrcMgr::C_User, false);
       HeaderInfo.AddSearchPath(DL, IsSystemHeader);
   }