diff --git a/app/views/mobile/_header.mobile.erb b/app/views/mobile/_header.mobile.erb
index 68813ffe..f68ff8d8 100644
--- a/app/views/mobile/_header.mobile.erb
+++ b/app/views/mobile/_header.mobile.erb
@@ -1,4 +1,4 @@
-<header class="header" data-role="header" style="background-image: -webkit-linear-gradient(top, #{@site.mobile_bar_color.first}, #{@site.mobile_bar_color.second});">
+<header class="header" data-role="header" style="background-image: -webkit-linear-gradient(top, <%= @site.mobile_bar_color.first if @site.mobile_bar_color%>, <%= @site.mobile_bar_color.second if @site.mobile_bar_color%>);">
   <h1 class="openmenu">
   <% if @site.mobile_icon.present?%>
     <%= image_tag( @site.mobile_icon, :size=>"120x120") rescue '' %>