diff --git a/.changeset/moody-berries-sneeze.md b/.changeset/moody-berries-sneeze.md
new file mode 100644
index 0000000000..87a5230f2c
--- /dev/null
+++ b/.changeset/moody-berries-sneeze.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs': patch
+---
+
+Fixed a bug where addons wouldn't render on sub pages when using React Route v6 stable.
diff --git a/plugins/techdocs/src/Router.tsx b/plugins/techdocs/src/Router.tsx
index 12b3ddf611..f821da2a9f 100644
--- a/plugins/techdocs/src/Router.tsx
+++ b/plugins/techdocs/src/Router.tsx
@@ -68,7 +68,7 @@ export const EmbeddedDocsRouter = (props: PropsWithChildren<{}>) => {
       element: <EntityPageDocs entity={entity} />,
       children: [
         {
-          path: '/*',
+          path: '*',
           element: children,
         },
       ],