diff --git a/content/openapi.md b/content/openapi.md
index f8889ab..124d59b 100644
--- a/content/openapi.md
+++ b/content/openapi.md
@@ -2,6 +2,8 @@
 title: MISP OpenAPI spec
 permalink: /documentation/openapi
 layout: default
+aliases:
+    - /documentation/openapi.html
 ---
 
 <redoc spec-url='https://raw.githubusercontent.com/MISP/MISP/develop/app/webroot/doc/openapi.yaml'></redoc>