diff --git a/src/mkdocs_include_markdown_plugin/plugin.py b/src/mkdocs_include_markdown_plugin/plugin.py
index f3da110..262036a 100644
--- a/src/mkdocs_include_markdown_plugin/plugin.py
+++ b/src/mkdocs_include_markdown_plugin/plugin.py
@@ -80,6 +80,8 @@ def _update_watched_files(self) -> None:  # pragma: no cover
 
         # watch new included files
         for file_path in watcher.included_files:
+            if 'mkdocs_gen_files_' in file_path:
+                continue
             server.watch(file_path, recursive=False)  # type: ignore
         watcher.included_files = []