diff --git a/lib/generators/blacklight_gallery/install_generator.rb b/lib/generators/blacklight_gallery/install_generator.rb
index 086424a..4b4a003 100644
--- a/lib/generators/blacklight_gallery/install_generator.rb
+++ b/lib/generators/blacklight_gallery/install_generator.rb
@@ -29,7 +29,7 @@ def add_openseadragon
 
     def assets
       copy_file "blacklight_gallery.css.scss", "app/assets/stylesheets/blacklight_gallery.css.scss"
-      append_to_file 'app/assets/config/manifest.js', "\n//= link blacklight_gallery/manifest.js"
+      append_to_file 'app/assets/config/manifest.js', "\n//= link blacklight_gallery/manifest.js\n"
       copy_file "blacklight_gallery.js", "app/assets/javascripts/blacklight_gallery.js"
 
       insert_into_file "app/assets/javascripts/application.js", after: '//= require blacklight/blacklight' do