diff --git a/winixd/html/index_head_adder.html b/winixd/html/index_head_adder.html
index 561742d..6bf8511 100644
--- a/winixd/html/index_head_adder.html
+++ b/winixd/html/index_head_adder.html
@@ -60,7 +60,7 @@
 [end]
 
 
-[if or winix_function_is "emacs" winix_function_is "env"]
+[if or [winix_function_is "emacs"] [winix_function_is "env"]]
 	<script type="text/javascript" src="[doc_base_url_common]/codemirror/5.59.2/lib/codemirror.js"></script>
 	<link rel="stylesheet" href="[doc_base_url_common]/codemirror/5.59.2/lib/codemirror.css" type="text/css">