diff --git a/unittests/Lex/LexerTest.cpp b/unittests/Lex/LexerTest.cpp
index bba6025..e95cd02 100644
--- a/unittests/Lex/LexerTest.cpp
+++ b/unittests/Lex/LexerTest.cpp
@@ -18,6 +18,7 @@
 #include "clang/Lex/HeaderSearch.h"
 #include "clang/Lex/HeaderSearchOptions.h"
 #include "clang/Lex/Preprocessor.h"
+#include "clang/Lex/PreprocessorOptions.h"
 #include "llvm/Config/config.h"
 
 #include "gtest/gtest.h"
@@ -75,8 +76,7 @@
   VoidModuleLoader ModLoader;
   HeaderSearch HeaderInfo(new HeaderSearchOptions, FileMgr, Diags, LangOpts, 
                           Target.getPtr());
-  Preprocessor PP(Diags, LangOpts,
-                  Target.getPtr(),
+  Preprocessor PP(new PreprocessorOptions(), Diags, LangOpts, Target.getPtr(),
                   SourceMgr, HeaderInfo, ModLoader,
                   /*IILookup =*/ 0,
                   /*OwnsHeaderSearch =*/false,