diff --git a/packages/coffeescript/bare_test_setup.coffee b/packages/coffeescript/bare_test_setup.coffee
new file mode 100644
index 0000000000..4e6a84eb02
--- /dev/null
+++ b/packages/coffeescript/bare_test_setup.coffee
@@ -0,0 +1,4 @@
+# Normally, variables should be file-local, but this file is loaded with {bare:
+# true}, so it should be readable by bare_tests.js
+
+VariableSetByCoffeeBareTestSetup = 5678
diff --git a/packages/coffeescript/bare_tests.js b/packages/coffeescript/bare_tests.js
new file mode 100644
index 0000000000..9a5e21f4fa
--- /dev/null
+++ b/packages/coffeescript/bare_tests.js
@@ -0,0 +1,3 @@
+Tinytest.add("coffeescript - bare", function (test) {
+  test.equal(VariableSetByCoffeeBareTestSetup, 5678);
+});
diff --git a/packages/coffeescript/package.js b/packages/coffeescript/package.js
index e31e47b9db..2091a9daae 100644
--- a/packages/coffeescript/package.js
+++ b/packages/coffeescript/package.js
@@ -14,6 +14,8 @@ Package._transitional_registerBuildPlugin({
 Package.on_test(function (api) {
   api.use(['coffeescript', 'tinytest']);
   api.use(['coffeescript-test-helper'], ['client', 'server']);
+  api.add_files('bare_test_setup.coffee', ['client'], {bare: true});
+  api.add_files('bare_tests.js', ['client']);
   api.add_files([
     'coffeescript_test_setup.js',
     'tests/coffeescript_tests.coffee',
diff --git a/packages/coffeescript/plugin/compile-coffeescript.js b/packages/coffeescript/plugin/compile-coffeescript.js
index b0c94ce870..dd712b634f 100644
--- a/packages/coffeescript/plugin/compile-coffeescript.js
+++ b/packages/coffeescript/plugin/compile-coffeescript.js
@@ -149,7 +149,8 @@ var handler = function (compileStep, isLiterate) {
     path: outputFile,
     sourcePath: compileStep.inputPath,
     data: sourceWithMap.source,
-    sourceMap: sourceWithMap.sourceMap
+    sourceMap: sourceWithMap.sourceMap,
+    bare: compileStep.fileOptions.bare
   });
 };