diff --git a/conf/nginx.conf b/conf/nginx.conf
index 1750d6a..6375a8b 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,4 +1,13 @@
-location ^~ /.well-known {
+# Add .mjs as a file extension for javascript
+# Either include it in the default mime.types list
+# or include you can include that list explicitly and add the file extension
+# only for Nextcloud like below:
+include mime.types;
+types {
+    text/javascript js mjs;
+}
+
+  location ^~ /.well-known {
   # The following 6 rules are borrowed from `.htaccess`
 
   # The following 2 rules are only needed for the user_webfinger app.