diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index da8e503..7ab3323 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -674,13 +674,14 @@ module ApplicationHelper
     html.join "\n"
   end
 
+  def theme_javascript_src
+    script = File.join theme_path, 'theme.js'
+    script if File.exists? File.join(Rails.root, 'public', script)
+  end
+
   def theme_javascript_ng
-    script = File.join(theme_path, 'theme.js')
-    if File.exists?(File.join(Rails.root, 'public', script))
-      javascript_include_tag script
-    else
-      nil
-    end
+    script = theme_javascript_src
+    javascript_include_tag script if script
   end
 
   def file_field_or_thumbnail(label, image, i)
--
libgit2 0.21.2