diff --git a/lib/tailwindcss/commands.rb b/lib/tailwindcss/commands.rb
index e7f34cb5..38f483e6 100644
--- a/lib/tailwindcss/commands.rb
+++ b/lib/tailwindcss/commands.rb
@@ -58,7 +58,7 @@ def executable(
       def compile_command(debug: false, **kwargs)
         [
           executable(**kwargs),
-          "-i", Rails.root.join("app/assets/stylesheets/application.tailwind.css").to_s,
+          "-i", Rails.root.join("app/assets/stylesheets/application.tailwind.scss").to_s,
           "-o", Rails.root.join("app/assets/builds/tailwind.css").to_s,
           "-c", Rails.root.join("config/tailwind.config.js").to_s,
         ].tap do |command|