diff --git a/vendor/engines/sanger_sequencing/lib/sanger_sequencing/engine.rb b/vendor/engines/sanger_sequencing/lib/sanger_sequencing/engine.rb
index c73f83399b..8fad5f8c7b 100644
--- a/vendor/engines/sanger_sequencing/lib/sanger_sequencing/engine.rb
+++ b/vendor/engines/sanger_sequencing/lib/sanger_sequencing/engine.rb
@@ -36,7 +36,7 @@ class Engine < ::Rails::Engine
     end
 
     initializer "sanger_sequencing.assets.precompile" do |app|
-      app.config.assets.precompile += %w(submissions.css)
+      app.config.assets.precompile += %w(sanger_sequencing/submissions.css)
     end
 
   end