diff --git a/website/components/remote-plugin-docs/utils/resolve-nav-data.js b/website/components/remote-plugin-docs/utils/resolve-nav-data.js
index f1a65647a..7bcd2b8fb 100644
--- a/website/components/remote-plugin-docs/utils/resolve-nav-data.js
+++ b/website/components/remote-plugin-docs/utils/resolve-nav-data.js
@@ -139,7 +139,7 @@ async function resolvePluginEntryDocs(pluginConfigEntry) {
     // Process into a NavLeaf, with a remoteFile attribute
     const dirs = path.dirname(filePath).split('/')
     const dirUrl = dirs.slice(2).join('/')
-    const basename = path.basename(filePath)
+    const basename = path.basename(filePath, path.extname(filePath))
     // build urlPath
     // note that this will be prefixed to get to our final path
     const isIndexFile = basename === 'index'