diff --git a/tool/parse_pages.py b/tool/parse_pages.py
index 1be82c8a75..f0ee2392e2 100755
--- a/tool/parse_pages.py
+++ b/tool/parse_pages.py
@@ -309,7 +309,7 @@ def watch(pre_parse, pdf, target):
     if pre_parse:
         #md only prompts HTML change if pre-parsed
         patterns.append("*content/*.md")
-        patterns.append("content/code_samples/*")
+        patterns.append("*content/code_samples/*")
     event_handler = UpdaterHandler(patterns=patterns)
     observer = Observer()
     observer.schedule(event_handler, path, recursive=True)