diff --git a/src/mkdocs_autorefs/plugin.py b/src/mkdocs_autorefs/plugin.py
index 1f4f8a0..ba333e8 100644
--- a/src/mkdocs_autorefs/plugin.py
+++ b/src/mkdocs_autorefs/plugin.py
@@ -180,7 +180,7 @@ def on_page_content(self, html: str, page: Page, **kwargs: Any) -> str:  # noqa:
 
         if self.config["scan_html_tags"]:
             # Matches any html anchors with the id property (e.g. <a id="xx">)
-            for match in re.findall(r"""<.*?id=["']([_\w-]*)["'].*?>""", html):
+            for match in re.findall(r"""<a .*?id=["']([_\w-]*)["'].*?>""", html):
                 self.register_anchor(page.url, match)
 
         return html