diff --git a/web/template/viewer.html b/web/template/viewer.html
index a211538..8748418 100644
--- a/web/template/viewer.html
+++ b/web/template/viewer.html
@@ -44,7 +44,7 @@
   {{end}}
 </div>
 
-<script src="/static/js/sideWidget.js"></script>
+{{if .WidgetURL}}<script src="/static/js/sideWidget.js"></script>{{end}}
 <script src="/static/js/viewer.js"></script>
 <script src="/static/js/viewersCounter.js"></script>
 <script>