diff --git a/templates/index.html b/templates/index.html
index 38a96c3..a542576 100755
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,7 +3,7 @@
 {% block header %}
     <!-- Page Header -->
     <!-- Set your background image for this header on the line below. -->
-    <header class="intro-header" style="background-image: url('{{ HEADER_COVER|default({{ SITEURL }}/{{ THEME_STATIC_DIR }}/images/home-bg.jpg) }}')">
+    <header class="intro-header" style="background-image: url('{{ HEADER_COVER|default(SITEURL/THEME_STATIC_DIR/images/home-bg.jpg) }}')">
         <div class="container">
             <div class="row">
                 <div class="col-lg-8 col-lg-offset-2 col-md-10 col-md-offset-1">