diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index 36ace8b..f804f82 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -679,7 +679,8 @@
     CacheTy::iterator I = Cache.find(path);
 
     // If we don't get a hit in the PTH file just forward to 'stat'.
-    if (I == Cache.end()) return ::stat(path, buf);
+    if (I == Cache.end()) 
+      return StatSysCallCache::stat(path, buf);
 
     const PTHStatData& Data = *I;