diff --git a/examples/react/src/shims.ts b/examples/react/src/shims.ts
new file mode 100644
index 0000000..9158f35
--- /dev/null
+++ b/examples/react/src/shims.ts
@@ -0,0 +1,9 @@
+declare module 'foo' {
+  import type { ReactDOM } from 'react'
+
+  type Foo = {
+    bar: ReactDOM
+  }
+
+  export = Foo
+}
diff --git a/examples/react/vite.config.ts b/examples/react/vite.config.ts
index 9b42365..4df8591 100644
--- a/examples/react/vite.config.ts
+++ b/examples/react/vite.config.ts
@@ -29,7 +29,7 @@ export default defineConfig({
       exclude: ['src/ignore'],
       // aliasesExclude: [/^@components/],
       staticImport: true,
-      rollupTypes: true,
+      // rollupTypes: true,
       insertTypesEntry: true
     })
   ]
diff --git a/src/transform.ts b/src/transform.ts
index f9174c0..4efde4f 100644
--- a/src/transform.ts
+++ b/src/transform.ts
@@ -221,7 +221,17 @@ export function transformCode(options: {
     }
 
     if (ts.isModuleDeclaration(node)) {
-      declareModules.push(s.slice(node.pos, node.end + 1))
+      if (
+        node.body &&
+        ts.isModuleBlock(node.body) &&
+        !node.body.statements.some(
+          s => ts.isExportAssignment(s) || ts.isExportDeclaration(s) || ts.isImportDeclaration(s)
+        )
+      ) {
+        declareModules.push(s.slice(node.pos, node.end + 1))
+      }
+
+      return false
     }
   })