diff --git a/clang/include/clang/Lex/Preprocessor.h b/clang/include/clang/Lex/Preprocessor.h
index 177c84063c539b6219878aa588d11edcd502cb50..a92df2ccc417a2bc9e8ff97a69a1d27bbfe9283e 100644
--- a/clang/include/clang/Lex/Preprocessor.h
+++ b/clang/include/clang/Lex/Preprocessor.h
@@ -204,8 +204,8 @@ public:
   
   /// isCurrentLexer - Return true if we are lexing directly from the specified
   /// lexer.
-  bool isCurrentLexer(const Lexer *L) const {
-    return CurLexer.get() == L;
+  bool isCurrentLexer(const PreprocessorLexer *L) const {
+    return CurPPLexer == L;
   }
   
   /// getCurrentLexer - Return the current file lexer being lexed from.  Note