diff --git a/ecl-sample/notebooks/test.eclnb b/ecl-sample/notebooks/test.eclnb
index 1aa0f195..a42a8fd5 100644
--- a/ecl-sample/notebooks/test.eclnb
+++ b/ecl-sample/notebooks/test.eclnb
@@ -5,7 +5,7 @@
         {
             "id": "330c54b6-328d-4c80-9f26-d856383a8a63",
             "name": "",
-            "value": "x = 1;\r\nz = 2;\r\nx + z;",
+            "value": "x = 1;\r\nz = 2;\r\nx + z * 6;",
             "mode": "js",
             "shared": true,
             "outputs": [
diff --git a/esbuild.mjs b/esbuild.mjs
index 090ef622..0ba998e2 100644
--- a/esbuild.mjs
+++ b/esbuild.mjs
@@ -82,7 +82,7 @@ Promise.all([
         })
     ]),
     main("./src/notebook/renderers/wuRenderer.tsx", "node", "cjs"),
-    main("./src/notebook/renderers/ojsRenderer.ts", "node", "cjs"),
+    main("./src/notebook/renderers/ojsRenderer.ts", "browser", "esm"),
     main("./src/eclwatch.tsx", "browser", "iife", [replaceAfterTransform()])
 ]).catch((e) => {
     console.error(e);
diff --git a/package.json b/package.json
index 85bc3b4e..3adda642 100644
--- a/package.json
+++ b/package.json
@@ -1487,7 +1487,7 @@
       {
         "id": "ecl-notebook-wurenderer",
         "displayName": "%Workunit Renderer%",
-        "entrypoint": "./dist/notebook/renderers/wuRenderer.js",
+        "entrypoint": "./dist/wuRenderer.js",
         "mimeTypes": [
           "application/hpcc.wu+json"
         ],
@@ -1496,7 +1496,7 @@
       {
         "id": "ecl-notebook-ojsrenderer",
         "displayName": "%ObservableJS Renderer%",
-        "entrypoint": "./dist/notebook/renderers/ojsRenderer.js",
+        "entrypoint": "./dist/ojsRenderer.js",
         "mimeTypes": [
           "application/hpcc.ojs+json"
         ]