diff --git a/packages/compartment-mapper/test/bundle.test.js b/packages/compartment-mapper/test/bundle.test.js
index abc5fc0075..3f9fd91f64 100644
--- a/packages/compartment-mapper/test/bundle.test.js
+++ b/packages/compartment-mapper/test/bundle.test.js
@@ -10,6 +10,10 @@ const fixture = new URL(
   'fixtures-0/node_modules/bundle/main.js',
   import.meta.url,
 ).toString();
+const fixtureUnsupported = new URL(
+  'fixtures-0/node_modules/bundle/unsupported.js',
+  import.meta.url,
+).toString();
 
 const { read } = makeReadPowers({ fs, url });
 
@@ -83,6 +87,16 @@ test('equivalent archive behaves the same as bundle', async t => {
   t.deepEqual(log, expectedLog);
 });
 
+test('unsupported: live binding in bundle throws', async t => {
+  const bundle = await makeBundle(read, fixtureUnsupported);
+  const compartment = new Compartment({
+    __options__: true,
+  });
+  t.throws(() => {
+    compartment.evaluate(bundle);
+  },{message: /buzz is not defined/});
+});
+
 // This is failing because it requires support for missing dependencies.
 // Cannot bundle: encountered deferredError Cannot find file for internal module "./spam"
 test.failing('bundle cjs-compat', async t => {
diff --git a/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/import-named-exports-from-me.js b/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/import-named-exports-from-me.js
index 74dd35e70f..f4a866979e 100644
--- a/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/import-named-exports-from-me.js
+++ b/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/import-named-exports-from-me.js
@@ -1,5 +1,5 @@
-let buzz;
+let buzz = 'buzz';
 const fizz = 'fizz';
 const bizz = 'bizz';
-buzz = 'buzz';
+ 
 export { fizz, bizz, buzz };
diff --git a/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/unsupported-import-live-binding.js b/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/unsupported-import-live-binding.js
new file mode 100644
index 0000000000..48ba94c949
--- /dev/null
+++ b/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/unsupported-import-live-binding.js
@@ -0,0 +1,3 @@
+let buzz;
+buzz= 'buzz';
+export { buzz };
diff --git a/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/unsupported.js b/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/unsupported.js
new file mode 100644
index 0000000000..c96bfa499c
--- /dev/null
+++ b/packages/compartment-mapper/test/fixtures-0/node_modules/bundle/unsupported.js
@@ -0,0 +1 @@
+import { buzz } from './unsupported-import-live-binding.js';
\ No newline at end of file