diff --git a/couchpotato/templates/_desktop.html b/couchpotato/templates/_desktop.html
index 28beaa10..7ec3fd95 100644
--- a/couchpotato/templates/_desktop.html
+++ b/couchpotato/templates/_desktop.html
@@ -10,8 +10,9 @@
 
 		<script type="text/javascript" src="{{ url_for('web.static', filename='scripts/library/mootools.js') }}"></script>
 		<script type="text/javascript" src="{{ url_for('web.static', filename='scripts/library/mootools_more.js') }}"></script>
+		{% if not env.get('dev') %}
 		<script type="text/javascript" src="{{ url_for('web.static', filename='scripts/library/prefix_free.js') }}"></script>
-
+		{% endif %}
 		<script type="text/javascript" src="{{ url_for('web.static', filename='scripts/library/templated.js') }}"></script>
 		<script type="text/javascript" src="{{ url_for('web.static', filename='scripts/library/uniform.js') }}"></script>
 		<script type="text/javascript" src="{{ url_for('web.static', filename='scripts/library/form_replacement/form_check.js') }}"></script>