diff --git a/.htaccess b/.htaccess
index 474adf2bf..b8963585e 100644
--- a/.htaccess
+++ b/.htaccess
@@ -30,7 +30,7 @@ RewriteRule "^styles/.*$" "-" [L]
 # Added for old extensions which do not use routes
 RewriteRule ^ext/[^/]+/icon.(?:png|svg)$ - [L]
 RewriteCond %{REQUEST_URI} "ext/[^/]+/"
-RewriteRule !^ext/[^/]+/.*(?:op|out|res) - [F]
+RewriteRule !^ext/[^/]+/.*(?:op|out|res|node_modules) - [F]
 RewriteCond %{REQUEST_URI} "ext/[^/]+/res/.*$" [NC]
 RewriteRule !^ext/[^/]+/res/.*\.(?:css|js|png|svg) - [F]
 RewriteCond %{REQUEST_FILENAME} -f