diff --git a/lib/slim-rails/register_engine.rb b/lib/slim-rails/register_engine.rb
index 695788a..2d51181 100644
--- a/lib/slim-rails/register_engine.rb
+++ b/lib/slim-rails/register_engine.rb
@@ -31,6 +31,7 @@ def _register_engine(config)
           config.assets.configure do |env|
             if env.respond_to?(:register_transformer) && Sprockets::VERSION.to_i > 3
               env.register_mime_type 'text/slim', extensions: ['.slim', '.slim.html']#, charset: :html
+              env.register_mime_type 'application/javascript', extensions: %w[.js.slim .jst.slim .ejs.slim]
               env.register_transformer 'text/slim', 'text/html', RegisterEngine::Transformer
             elsif env.respond_to?(:register_engine)
               args = ['.slim', Slim::Template]
diff --git a/test/lib/slim-rails_assets_test.rb b/test/lib/slim-rails_assets_test.rb
index d708e85..3527bb4 100644
--- a/test/lib/slim-rails_assets_test.rb
+++ b/test/lib/slim-rails_assets_test.rb
@@ -31,7 +31,20 @@ class DummyApp < ::Rails::Application
 
       asset_path = File.join(dir, 'app', 'assets', 'html', 'test.slim')
       FileUtils.mkdir_p(File.dirname(asset_path))
-      File.write(asset_path, ".test\n  | hi")
+      File.write(asset_path, ".test\n | hi")
+
+      asset_path = File.join(dir, 'app', 'assets', 'html', 'test.js.slim')
+      FileUtils.mkdir_p(File.dirname(asset_path))
+      content = <<-EOH
+        ruby:
+          isTrue = true
+
+        .test
+          - if true
+            javascript:
+              var x = 42;
+      EOH
+      File.write(asset_path, content)
 
       `BUNDLE_GEMFILE=#{ENV['BUNDLE_GEMFILE']} bundle exec ruby #{app_path}`
     end
@@ -62,4 +75,10 @@ class DummyApp < ::Rails::Application
       assert_equal ".test\n  | hi", with_app(true, 'print DummyApp.assets["test.slim"]')
     end
   end
+
+  test 'compile javascript slim view' do
+    assert_equal 'ok', with_app(false, 'print DummyApp.assets || "ok"')
+    assert_equal '<div class="test"><script>var x = 42;</script></div>', with_app(true, 'print DummyApp.assets["test.js.slim"].to_s.strip')
+    assert_equal '<div class="test"><script>var x = 42;</script></div>', with_app(true, 'print DummyApp.assets["test.js.slim", accept: "text/html"].to_s')
+  end
 end