diff --git a/microsite/sidebars.json b/microsite/sidebars.json
index c33bf37785..fb513697cb 100644
--- a/microsite/sidebars.json
+++ b/microsite/sidebars.json
@@ -409,7 +409,7 @@
       "tutorials/switching-sqlite-postgres",
       "tutorials/using-backstage-proxy-within-plugin",
       "tutorials/yarn-migration",
-      "tutorials/migrate-to-mui5.md"
+      "tutorials/migrate-to-mui5"
     ],
     "Architecture Decision Records (ADRs)": [
       "architecture-decisions/adrs-overview",