diff --git a/api/js/etemplate/Et2Button/Et2Button.ts b/api/js/etemplate/Et2Button/Et2Button.ts
index df9c4a4aa2..e14e282dc4 100644
--- a/api/js/etemplate/Et2Button/Et2Button.ts
+++ b/api/js/etemplate/Et2Button/Et2Button.ts
@@ -9,7 +9,7 @@
  */
 
 
-import {css, html} from "../../../../node_modules/@lion/core/index.js";
+import {css, html} from "@lion/core";
 import {LionButton} from "../../../../node_modules/@lion/button/index.js";
 import {SlotMixin} from "../../../../node_modules/@lion/core/src/SlotMixin.js";
 import {Et2InputWidget} from "../Et2InputWidget/Et2InputWidget";
diff --git a/rollup.config.js b/rollup.config.js
index 8e243cc0fd..a9edd35e18 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -23,6 +23,18 @@ rimraf.sync('./chunks/');
 // Turn on minification
 const do_minify = false;
 
+function isBareSpecifier (id) {
+    if (id.startsWith("./") || id.startsWith("../") || id.startsWith("/"))
+        return false;
+    try {
+        new URL(id);
+        return false;
+    }
+    catch {
+        return true;
+    }
+}
+
 const config = {
     treeshake: false,
     input: {
@@ -58,13 +70,18 @@ const config = {
     },
     plugins: [{
         resolveId (id, parentId) {
+            // Delegate bare specifiers to node_modules resolver
+            if (isBareSpecifier(id))
+            {
+                return;
+            }
             if (!parentId || parentId.indexOf(path.sep + 'node_modules' + path.sep) !== -1)
             {
                 return;
             }
-            if(id.endsWith(".js"))
+            if (id.endsWith(".js"))
             {
-                const tsPath =path.resolve(path.dirname(parentId), id.slice(0,-3) + '.ts');
+                const tsPath = path.resolve(path.dirname(parentId), id.slice(0,-3) + '.ts');
                 try {
                     readFileSync(tsPath);
                     console.warn(id + " is a TS file loaded with wrong extension.  Remove the extension on the import in " + parentId);