diff --git a/scripts/process-text-files.py b/scripts/process-text-files.py
index 83fe180..7808516 100644
--- a/scripts/process-text-files.py
+++ b/scripts/process-text-files.py
@@ -227,7 +227,7 @@ class CmdReplaceCppSymbols(Cmd):
                 if not trunc.lower() in self.file_truncs:
                     continue
                 for patt, repl in self.replacements.iteritems():
-                    if patt.lower() == trunc.lower():
+                    if patt == trunc:
                         path     = dir + '/' + name
                         new_path = dir + '/' + repl + ext
                         assert(new_path != path)