diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 90b0502..faecde2 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -146,8 +146,7 @@ module ApplicationHelper
 
   def authbutton(provider, size = 64)
     file_name = "#{provider.to_s.split('_').first}_#{size}.png"
-    image_tag("authbuttons/#{file_name}",
-              alt: "Sign in with #{provider.to_s.titleize}")
+    image_tag(image_path("authbuttons/#{file_name}"), alt: "Sign in with #{provider.to_s.titleize}")
   end
 
   def simple_sanitize(str)
--
libgit2 0.21.2