diff --git a/package.json b/package.json
index 1df2045..98143f5 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
 		"format": "prettier --write .",
 		"format:check": "prettier --check .",
 		"lint": "tsc -p tsconfig.json --noEmit && eslint src",
-		"build": "npx build --package=@zenfs/core --globalName ZenFS_Emscripten --entry src/index.ts",
+		"build": "npx build --package=@zenfs/core --globalName ZenFS_Emscripten --entry src/index.ts --",
 		"build:docs": "typedoc --out docs --name 'ZenFS Emscripten' src/index.ts",
 		"prepublishOnly": "npm run build",
 		"postinstall": "patch-package"
diff --git a/src/backend.ts b/src/backend.ts
index 6411133..2668f38 100644
--- a/src/backend.ts
+++ b/src/backend.ts
@@ -6,7 +6,6 @@ import { File } from '@zenfs/core/file.js';
 import { FileSystem, FileSystemMetadata, Sync } from '@zenfs/core/filesystem.js';
 import { FileType, Stats } from '@zenfs/core/stats.js';
 import { Buffer } from 'buffer';
-import './emscripten.js';
 
 /**
  * @hidden
diff --git a/src/emscripten.ts b/src/emscripten.ts
new file mode 100644
index 0000000..4a088cb
--- /dev/null
+++ b/src/emscripten.ts
@@ -0,0 +1,10 @@
+/*
+	This is for types only.
+	By exporting a named export, and using `import type`, we avoid build errors
+*/
+
+import 'emscripten';
+
+import EmFS = FS;
+
+export type { EmFS };
diff --git a/src/plugin.ts b/src/plugin.ts
index f834cd7..5912e52 100644
--- a/src/plugin.ts
+++ b/src/plugin.ts
@@ -1,7 +1,5 @@
 import zfs, { Errno, parseFlag, type Stats } from '@zenfs/core';
-import 'emscripten'; // Note: this is for types only.
-
-import EmFS = FS;
+import type { EmFS } from './emscripten.js';
 
 interface Mount extends EmFS.Mount {
 	opts: { root?: string };