diff --git a/templates/layouts/main.html.ep b/templates/layouts/main.html.ep
index 628fc45..3a2a89b 100644
--- a/templates/layouts/main.html.ep
+++ b/templates/layouts/main.html.ep
@@ -34,7 +34,7 @@
     </footer>
     % };
 
-<script src="<%= stash('prefix') . ' /js/' . loc('jsFile', 'kalamar-' . $Kalamar::VERSION . '-en.js') %>"></script>
+<script src="<%= stash('prefix') . '/js/' . loc('jsFile', 'kalamar-' . $Kalamar::VERSION . '-en.js') %>"></script>
 %= javascript begin  
   window.KorAP = window.KorAP || {};
   % my $api = url_for('index')->to_abs;