diff --git a/cpplint/cpplint.py b/cpplint/cpplint.py
index c985c5d..9c7b8b4 100755
--- a/cpplint/cpplint.py
+++ b/cpplint/cpplint.py
@@ -3054,7 +3054,7 @@ def CheckForIncludeWhatYouUse(filename, clean_lines, include_state, error,
   header_found = False
 
   # Use the absolute path so that matching works properly.
-  abs_filename = os.path.abspath(filename)
+  abs_filename = FileInfo(filename).FullName()
 
   # For Emacs's flymake.
   # If cpplint is invoked from Emacs's flymake, a temporary file is generated