diff --git a/app/views/layouts/public.html.haml b/app/views/layouts/public.html.haml
index 848f7d2..0b0ff55 100644
--- a/app/views/layouts/public.html.haml
+++ b/app/views/layouts/public.html.haml
@@ -8,8 +8,12 @@
 		=javascript_include_tag "public"
 		
 		= csrf_meta_tag 
+		-if @thumbnail_image
+			= raw '<link rel="img_src" href="http://'+("#{HOSTNAME}#{@thumbnail_image}}").to_s+'" />' 
+		-else 
+			=raw '<link rel="img_src" href="http://blog.nicolasbally.com/front/logo.png" />' 
+
 
-		= raw '<link rel="img_src" href="'+(@thumbnail_image.to_s ? @thumbnail_image : "http://blog.nicolasbally.com/front/logo.png").to_s+'" />' 
 		
 		<meta name="viewport" content="width=device-width,initial-scale=1">