diff --git a/.gitignore b/.gitignore
index 3c3629e..ea52ade 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
+.yarn
+.yarnrc.yml
 node_modules
+.typescript
+.idea
diff --git a/example.ts b/example.ts
deleted file mode 100644
index a201bd7..0000000
--- a/example.ts
+++ /dev/null
@@ -1 +0,0 @@
-console.log('Some .ts code reproducing a bug');
diff --git a/package.json b/package.json
index 4d56496..cf34c67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,13 @@
 {
-  "dependencies": {
-    "ts-node": "latest",
-    "typescript": "latest"
+  "name": "ts-node-composite-transpilers-bug",
+  "version": "0.0.1",
+  "scripts": {
+    "build": "node node_modules/ttypescript/bin/tsc -b",
+    "start": "node node_modules/ts-node/dist/bin.js -C ttypescript root.ts"
+  },
+  "devDependencies": {
+    "ts-node": "^10.9.1",
+    "ttypescript": "^1.5.15",
+    "typescript": "^4.9.4"
   }
 }
diff --git a/root.ts b/root.ts
new file mode 100644
index 0000000..fda14e7
--- /dev/null
+++ b/root.ts
@@ -0,0 +1,3 @@
+import './subapp/subapp'
+
+export default 'root'
diff --git a/run.sh b/run.sh
index d553b44..98d2855 100644
--- a/run.sh
+++ b/run.sh
@@ -7,7 +7,7 @@ n lts
 yarn
 
 # Run ts-node
-yarn ts-node ./example.ts
+node /test.js
 
 echo "Process exited with code: $?"
 echo
diff --git a/subapp/subapp.ts b/subapp/subapp.ts
new file mode 100644
index 0000000..21cd922
--- /dev/null
+++ b/subapp/subapp.ts
@@ -0,0 +1 @@
+export default 'subapp'
diff --git a/subapp/transform.js b/subapp/transform.js
new file mode 100644
index 0000000..d5cb0ae
--- /dev/null
+++ b/subapp/transform.js
@@ -0,0 +1,11 @@
+module.exports = (program, config) => {
+  return () => sourceFile => {
+    if (sourceFile.fileName.endsWith('root.ts')) {
+      console.log('another transform root.ts with', config.visitor)
+    } else if (sourceFile.fileName.endsWith('subapp.ts')) {
+      console.log('another transform subapp.ts with', config.visitor)
+    }
+
+    return sourceFile
+  }
+}
diff --git a/subapp/tsconfig.json b/subapp/tsconfig.json
new file mode 100644
index 0000000..ffa1c06
--- /dev/null
+++ b/subapp/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "outDir": "../.typescript/subapp",
+    "plugins": [
+      {
+        "type": "program",
+        "transform": "./transform.js",
+        "visitor": "../visitor"
+      }
+    ]
+  }
+}
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..f651088
--- /dev/null
+++ b/test.js
@@ -0,0 +1,24 @@
+const { execSync } = require('child_process')
+
+const tscPath = require.resolve('ttypescript/bin/tsc')
+const tsNodePath = require.resolve('ts-node/dist/bin')
+
+const buildOut = execSync(`node ${tscPath} -b`, { encoding: 'utf8' })
+
+const tsNodeOut = execSync(`node ${tsNodePath} -C ttypescript root.ts`, { encoding: 'utf8' })
+
+if (buildOut === tsNodeOut) {
+  console.log(`buildOut === tsNodeOut`)
+  process.exit(0)
+} else {
+  console.log(`buildOut !== tsNodeOut`)
+  console.log()
+
+  console.log(`> ttsc -b`)
+  console.log(buildOut)
+
+  console.log(`> ts-node -C ttypescript root.ts`)
+  console.log(tsNodeOut)
+
+  process.exit(1)
+}
diff --git a/transform.js b/transform.js
new file mode 100644
index 0000000..afda645
--- /dev/null
+++ b/transform.js
@@ -0,0 +1,11 @@
+module.exports = (program, config) => {
+  return () => sourceFile => {
+    if (sourceFile.fileName.endsWith('root.ts')) {
+      console.log('transform root.ts with', config.visitor)
+    } else if (sourceFile.fileName.endsWith('subapp.ts')) {
+      console.log('transform subapp.ts with', config.visitor)
+    }
+
+    return sourceFile
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..1f89e22
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "outDir": ".typescript",
+    "plugins": [
+      {
+        "type": "program",
+        "transform": "./transform.js",
+        "visitor": "./visitor"
+      }
+    ]
+  },
+  "references": [
+    { "path": "./subapp" }
+  ],
+  "files": ["root.ts"]
+}
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..e6517fe
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,273 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
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+  cacheKey: 8
+
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