diff --git a/packages/compat/src/compat-app-builder.ts b/packages/compat/src/compat-app-builder.ts
index c9fa0223a..bb6c2beab 100644
--- a/packages/compat/src/compat-app-builder.ts
+++ b/packages/compat/src/compat-app-builder.ts
@@ -911,7 +911,7 @@ let d = w.define;
 
 
 import "ember-testing";
-import "#embroider/core/entrypoint";
+import "@embroider/core/entrypoint";
 
 {{#each amdModules as |amdModule| ~}}
   d("{{js-string-escape amdModule.runtime}}", function(){ return i("{{js-string-escape amdModule.buildtime}}");});
diff --git a/packages/core/src/module-resolver.ts b/packages/core/src/module-resolver.ts
index dda6fa603..bb12ecddc 100644
--- a/packages/core/src/module-resolver.ts
+++ b/packages/core/src/module-resolver.ts
@@ -446,23 +446,35 @@ export class Resolver {
     // just like implicit-modules does.
 
     //TODO move the extra forwardslash handling out into the vite plugin
-    const candidates = [
-      '#embroider/core/entrypoint',
-      '@embroider/core/entrypoint',
-      '/@embroider/core/entrypoint',
-      './@embroider/core/entrypoint',
-    ];
+    const candidates = ['@embroider/core/entrypoint', '/@embroider/core/entrypoint', './@embroider/core/entrypoint'];
 
-    if (!candidates.includes(request.specifier)) {
+    if (!candidates.some(c => request.specifier.startsWith(c + '/') || request.specifier === c)) {
       return request;
     }
 
-    let pkg = this.packageCache.ownerOfFile(request.fromFile);
+    const result = /\.?\/?@embroider\/core\/entrypoint(?:\/(?<packageName>.*))?/.exec(request.specifier);
 
-    if (!pkg?.isV2Ember()) {
+    if (!result) {
+      // TODO make a better error
+      throw new Error('entrypoint does not match pattern' + request.specifier);
+    }
+
+    const { packageName } = result.groups!;
+
+    const requestingPkg = this.packageCache.ownerOfFile(request.fromFile);
+
+    if (!requestingPkg?.isV2Ember()) {
       throw new Error(`bug: found entrypoint import in non-ember package at ${request.fromFile}`);
     }
 
+    let pkg;
+
+    if (packageName) {
+      pkg = this.packageCache.resolve(packageName, requestingPkg);
+    } else {
+      pkg = requestingPkg;
+    }
+
     return logTransition('entrypoint', request, request.virtualize(resolve(pkg.root, '-embroider-entrypoint.js')));
   }
 
diff --git a/packages/core/src/virtual-entrypoint.ts b/packages/core/src/virtual-entrypoint.ts
index 37d6da4a4..3c012efd8 100644
--- a/packages/core/src/virtual-entrypoint.ts
+++ b/packages/core/src/virtual-entrypoint.ts
@@ -85,10 +85,10 @@ export function renderEntrypoint(
   let lazyEngines: { names: string[]; path: string }[] = [];
 
   if (isApp) {
-    // deliberately ignoring the app
+    // deliberately ignoring the app (which is the first entry in the engines array)
     let [, ...childEngines] = resolver.options.engines;
     for (let childEngine of childEngines) {
-      let target = `${childEngine.packageName}/-embroider-entrypoint.js`;
+      let target = `@embroider/core/entrypoint/${childEngine.packageName}`;
 
       if (childEngine.isLazy) {
         lazyEngines.push({
@@ -276,7 +276,7 @@ export function importPaths(resolver: Resolver, { engine }: AppFiles, engineRela
   let noHBS = engineRelativePath.replace(resolvableExtensionsPattern, '').replace(/\.hbs$/, '');
   return {
     runtime: `${engine.modulePrefix}/${noHBS}`,
-    buildtime: `@embroider-dep/${posix.join(engine.package.name, engineRelativePath)}`,
+    buildtime: `./${engineRelativePath}`,
   };
 }