diff --git a/packages/repl/examples/simple.html b/packages/repl/examples/simple.html
index 17c4bebf..da47d089 100644
--- a/packages/repl/examples/simple.html
+++ b/packages/repl/examples/simple.html
@@ -1,2 +1,4 @@
-<script src="https://unpkg.com/@strudel/repl@0.9.1"></script>
-<strudel-repl></strudel-repl>
+<!-- <script src="https://unpkg.com/@strudel/repl@latest"></script> -->
+<!-- <script src="https://unpkg.com/@strudel/repl@0.9.3"></script> -->
+<script src="../dist/index.js"></script>
+<strudel-editor code='s("bd")'></strudel-editor>
diff --git a/packages/repl/package.json b/packages/repl/package.json
index f79d94f3..87e8b9c0 100644
--- a/packages/repl/package.json
+++ b/packages/repl/package.json
@@ -33,6 +33,7 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
+    "@rollup/plugin-replace": "^5.0.5",
     "@strudel.cycles/core": "workspace:*",
     "@strudel.cycles/midi": "workspace:*",
     "@strudel.cycles/mini": "workspace:*",
diff --git a/packages/repl/vite.config.js b/packages/repl/vite.config.js
index d94cd4d7..49391bf3 100644
--- a/packages/repl/vite.config.js
+++ b/packages/repl/vite.config.js
@@ -2,6 +2,7 @@ import { defineConfig } from 'vite';
 import { dependencies } from './package.json';
 import { resolve } from 'path';
 // import { visualizer } from 'rollup-plugin-visualizer';
+import replace from '@rollup/plugin-replace';
 
 // https://vitejs.dev/config/
 export default defineConfig({
@@ -15,6 +16,12 @@ export default defineConfig({
     },
     rollupOptions: {
       // external: [...Object.keys(dependencies)],
+      plugins: [
+        replace({
+          'process.env.NODE_ENV': JSON.stringify('production'),
+          preventAssignment: true,
+        }),
+      ],
     },
     target: 'esnext',
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d3161184..344a24bc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -470,6 +470,9 @@ importers:
 
   packages/repl:
     dependencies:
+      '@rollup/plugin-replace':
+        specifier: ^5.0.5
+        version: 5.0.5
       '@strudel.cycles/core':
         specifier: workspace:*
         version: link:../core
@@ -4155,6 +4158,19 @@ packages:
       rollup: 2.79.1
     dev: true
 
+  /@rollup/plugin-replace@5.0.5:
+    resolution: {integrity: sha512-rYO4fOi8lMaTg/z5Jb+hKnrHHVn8j2lwkqwyS4kTRhKyWOLf2wST2sWXr4WzWiTcoHTp2sTjqUbqIj2E39slKQ==}
+    engines: {node: '>=14.0.0'}
+    peerDependencies:
+      rollup: ^1.20.0||^2.0.0||^3.0.0||^4.0.0
+    peerDependenciesMeta:
+      rollup:
+        optional: true
+    dependencies:
+      '@rollup/pluginutils': 5.1.0
+      magic-string: 0.30.5
+    dev: false
+
   /@rollup/pluginutils@3.1.0(rollup@2.79.1):
     resolution: {integrity: sha512-GksZ6pr6TpIjHm8h9lSQ8pi8BE9VeubNT0OMJ3B5uZJ8pz73NPiqOtCog/x2/QzM1ENChPKxMDhiQuRHsqc+lg==}
     engines: {node: '>= 8.0.0'}
@@ -4167,6 +4183,20 @@ packages:
       rollup: 2.79.1
     dev: true
 
+  /@rollup/pluginutils@5.1.0:
+    resolution: {integrity: sha512-XTIWOPPcpvyKI6L1NHo0lFlCyznUEyPmPY1mc3KpPVDYulHSTvyeLNVW00QTLIAFNhR3kYnJTQHeGqU4M3n09g==}
+    engines: {node: '>=14.0.0'}
+    peerDependencies:
+      rollup: ^1.20.0||^2.0.0||^3.0.0||^4.0.0
+    peerDependenciesMeta:
+      rollup:
+        optional: true
+    dependencies:
+      '@types/estree': 1.0.0
+      estree-walker: 2.0.2
+      picomatch: 2.3.1
+    dev: false
+
   /@rollup/rollup-android-arm-eabi@4.9.0:
     resolution: {integrity: sha512-+1ge/xmaJpm1KVBuIH38Z94zj9fBD+hp+/5WLaHgyY8XLq1ibxk/zj6dTXaqM2cAbYKq8jYlhHd6k05If1W5xA==}
     cpu: [arm]
@@ -7585,6 +7615,10 @@ packages:
     resolution: {integrity: sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==}
     dev: true
 
+  /estree-walker@2.0.2:
+    resolution: {integrity: sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==}
+    dev: false
+
   /estree-walker@3.0.3:
     resolution: {integrity: sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==}
     dependencies: