diff --git a/src/files/handler.js b/src/files/handler.js
index 4d4fd86..61a5941 100644
--- a/src/files/handler.js
+++ b/src/files/handler.js
@@ -1,5 +1,3 @@
-import '@sveltejs/kit/install-fetch'; // eslint-disable-line import/no-unassigned-import
-
 // TODO: hardcoding the relative location makes this brittle
 import {init, render} from '../output/server/app.js';
 
diff --git a/src/files/shims.js b/src/files/shims.js
new file mode 100644
index 0000000..29d9c09
--- /dev/null
+++ b/src/files/shims.js
@@ -0,0 +1 @@
+export {fetch, Response, Request, Headers} from '@sveltejs/kit/install-fetch';
diff --git a/src/index.js b/src/index.js
index a066bb7..8c9bb50 100644
--- a/src/index.js
+++ b/src/index.js
@@ -158,7 +158,8 @@ async function prepareEntrypoint({utils, serverOutputDir}) {
 	utils.rimraf(temporaryDir);
 	utils.rimraf(serverOutputDir);
 
-	const handlerSource = path.join(fileURLToPath(new URL('./files', import.meta.url)), 'handler.js');
+	const files = fileURLToPath(new URL('./files', import.meta.url));
+	const handlerSource = path.join(files, 'handler.js');
 	const handlerDest = path.join(temporaryDir, 'handler.js');
 	utils.copy(handlerSource, handlerDest);
 
@@ -166,6 +167,7 @@ async function prepareEntrypoint({utils, serverOutputDir}) {
 		entryPoints: [path.join(temporaryDir, 'handler.js')],
 		outfile: path.join(serverOutputDir, 'index.js'),
 		bundle: true,
+		inject: [path.join(files, 'shims.js')],
 		platform: 'node',
 		target: ['node12']
 	});