diff --git a/packages/compartment-mapper/test/fixtures-policy/node_modules/app/attack-name.js b/packages/compartment-mapper/test/fixtures-policy/node_modules/app/attack-name.js
new file mode 100644
index 0000000000..f8467f5fdc
--- /dev/null
+++ b/packages/compartment-mapper/test/fixtures-policy/node_modules/app/attack-name.js
@@ -0,0 +1,7 @@
+import { alice, carol } from 'alice/alice.js';
+import bob from './bob.cjs';
+import scopedBob from '@ohmyscope/bob';
+import { alice as evilAlice } from 'eve/getalice.js';
+
+
+export { alice, bob, carol, scopedBob, evilAlice };
\ No newline at end of file
diff --git a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/getalice.js b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/getalice.js
new file mode 100644
index 0000000000..d1c8dd36aa
--- /dev/null
+++ b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/getalice.js
@@ -0,0 +1 @@
+export { default as alice } from 'alice';
\ No newline at end of file
diff --git a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/index.js b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/index.js
index 31928c7d65..19572b65b3 100644
--- a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/index.js
+++ b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/index.js
@@ -3,5 +3,4 @@ export default {
   bluePill: typeof bluePill,
   yellowPill: typeof yellowPill,
 };
-
 import 'dan';
diff --git a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/node_modules/alice/index.js b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/node_modules/alice/index.js
new file mode 100644
index 0000000000..c20a849df1
--- /dev/null
+++ b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/node_modules/alice/index.js
@@ -0,0 +1,6 @@
+export default {
+    redPill: typeof redPill,
+    bluePill: typeof bluePill,
+    purplePill: typeof purplePill,
+  };
+  
\ No newline at end of file
diff --git a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/node_modules/alice/package.json b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/node_modules/alice/package.json
new file mode 100644
index 0000000000..041bfd0d32
--- /dev/null
+++ b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/node_modules/alice/package.json
@@ -0,0 +1,7 @@
+{
+    "name": "alice",
+    "version": "1.0.0",
+    "description": "A package named alice",
+    "main": "index.js",
+    "type": "module"
+}
diff --git a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/package.json b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/package.json
index b1ef577174..09406aead6 100644
--- a/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/package.json
+++ b/packages/compartment-mapper/test/fixtures-policy/node_modules/eve/package.json
@@ -1,14 +1,17 @@
 {
   "name": "eve",
   "version": "1.0.0",
-  "main": "./index.js",
   "type": "module",
   "browser": {
     "dan": "hackity"
   },
   "dependencies": {
-    "hackity": "*"
+    "hackity": "*",
+    "alice": "*"
   },
+  "bundledDependencies": [
+    "alice"
+  ],
   "scripts": {
     "preinstall": "echo DO NOT INSTALL TEST FIXTURES; exit -1"
   }
diff --git a/packages/compartment-mapper/test/scaffold.js b/packages/compartment-mapper/test/scaffold.js
index bedbe37296..98e20da452 100644
--- a/packages/compartment-mapper/test/scaffold.js
+++ b/packages/compartment-mapper/test/scaffold.js
@@ -291,13 +291,15 @@ export function scaffold(
       };
 
       const sourceMaps = new Set();
+      const sourceMapLog = [];
       const sourceMapHook = (sourceMap, { sha512 }) => {
         sourceMaps.add(sha512);
-        t.log(sha512, sourceMap);
+        sourceMapLog.push(['+', sha512, sourceMap]);
       };
 
       const computeSourceMapLocation = ({ sha512 }) => {
         sourceMaps.delete(sha512);
+        sourceMapLog.push(['-', sha512]);
         return `${sha512}.map.json`;
       };
 
@@ -324,8 +326,10 @@ export function scaffold(
       // in a way that is difficult to generalize since not all test paths
       // reach here.
       if (sourceMaps.size !== 0) {
+        sourceMapLog.forEach(l => t.log(...l));
+        t.log('left-over', sourceMaps);
         throw new Error(
-          'The bundler and importer should agree on source map count',
+          `The bundler and importer should agree on source map count but they differ by ${sourceMaps.size}`,
         );
       }
 
diff --git a/packages/compartment-mapper/test/snapshots/test-policy.js.snap b/packages/compartment-mapper/test/snapshots/test-policy.js.snap
index 2848cf1ebc..a541d7c800 100644
Binary files a/packages/compartment-mapper/test/snapshots/test-policy.js.snap and b/packages/compartment-mapper/test/snapshots/test-policy.js.snap differ
diff --git a/packages/compartment-mapper/test/test-policy.js b/packages/compartment-mapper/test/test-policy.js
index 0203b620c0..d06ce043ce 100644
--- a/packages/compartment-mapper/test/test-policy.js
+++ b/packages/compartment-mapper/test/test-policy.js
@@ -20,6 +20,10 @@ const fixtureAttack = new URL(
   'fixtures-policy/node_modules/app/attack.js',
   import.meta.url,
 ).toString();
+const nameConfusionAttack = new URL(
+  'fixtures-policy/node_modules/app/attack-name.js',
+  import.meta.url,
+).toString();
 
 const globals = {
   redPill: 42,
@@ -84,6 +88,15 @@ const anyPolicy = {
     'alice>carol': ANY,
   },
 };
+const evePolicy = {
+  entry: { ...policy.entry, packages: 'any' },
+  resources: {
+    ...policy.resources,
+    eve: {
+      packages: 'any',
+    },
+  },
+};
 
 const defaultExpectations = {
   namespace: {
@@ -110,6 +123,34 @@ const anyExpectations = {
     carol: { bluePill: 'number', redPill: 'number', purplePill: 'number' },
   },
 };
+const nameConfusionExpectations = {
+  namespace: {
+    alice: {
+      bluePill: 'undefined',
+      purplePill: 'undefined',
+      redPill: 'number',
+    },
+    bob: {
+      bluePill: 'number',
+      purplePill: 'undefined',
+      redPill: 'undefined',
+    },
+    carol: {
+      bluePill: 'undefined',
+      purplePill: 'number',
+      redPill: 'undefined',
+    },
+    evilAlice: {
+      bluePill: 'undefined',
+      purplePill: 'undefined',
+      redPill: 'undefined',
+    },
+    scopedBob: {
+      scoped: 1,
+    },
+  },
+};
+
 const powerlessCarolExpectations = {
   namespace: {
     ...defaultExpectations.namespace,
@@ -225,6 +266,18 @@ scaffold(
   },
 );
 
+scaffold(
+  'policy - attack - duplicated name via bundled dep',
+  test,
+  nameConfusionAttack,
+  makeResultAssertions(nameConfusionExpectations),
+  1, // expected number of assertions
+  {
+    addGlobals: globals,
+    policy: evePolicy,
+  },
+);
+
 const recursiveEdit = editor => originalPolicy => {
   const policyToAlter = JSON.parse(JSON.stringify(originalPolicy));
   const recur = obj => {