diff --git a/mkdocs/commands/build.py b/mkdocs/commands/build.py
index 0934de99..826db880 100644
--- a/mkdocs/commands/build.py
+++ b/mkdocs/commands/build.py
@@ -124,7 +124,7 @@ def _build_page(page, config, site_navigation, env, dirty=False):
 
     # Run the `pre_page` plugin event
     page = config['plugins'].run_event(
-        'page_markdown', page, config=config, site_navigation=site_navigation
+        'pre_page', page, config=config, site_navigation=site_navigation
     )
 
     page.read_source(config=config)