diff --git a/apps/repl/ember-cli-build.js b/apps/repl/ember-cli-build.js
index 64b100cfb6..212bb11b2d 100644
--- a/apps/repl/ember-cli-build.js
+++ b/apps/repl/ember-cli-build.js
@@ -115,6 +115,14 @@ module.exports = async function (defaults) {
         //   Causes app to not boot
         //   chunkFormat: 'module',
         // },
+        module: {
+          rules: [
+          {
+                test: /\.wasm$/,
+                type: "asset",
+            },
+          ]
+        },
         resolve: {
           alias: {
             path: 'path-browserify',
diff --git a/packages/ember-repl/addon/src/browser/gjs.ts b/packages/ember-repl/addon/src/browser/gjs.ts
index 493930d254..4cc100b900 100644
--- a/packages/ember-repl/addon/src/browser/gjs.ts
+++ b/packages/ember-repl/addon/src/browser/gjs.ts
@@ -10,7 +10,10 @@ import type { Babel } from './types';
 
 const compiler = importSync('ember-source/dist/ember-template-compiler.js');
 
-import { Preprocessor } from 'content-tag';
+import init, { Preprocessor } from 'content-tag';
+
+
+await init();
 
 const processor = new Preprocessor();