diff --git a/scripts/prepare/config.ts b/scripts/prepare/config.ts
index 03d269f8e3..80490da8c4 100644
--- a/scripts/prepare/config.ts
+++ b/scripts/prepare/config.ts
@@ -35,7 +35,7 @@ export const root = new URL('../../', import.meta.url);
 
 export const local = {
   src: new URL(`scripts/prepare/src/`, root),
-  versionedPackageJson: new URL('packages/ts/hilla-generator-core/package.json', root),
+  versionedPackageJson: new URL('packages/ts/generator-core/package.json', root),
   results: new URL(`scripts/prepare/results/`, root),
 };
 
diff --git a/scripts/prepare/index.ts b/scripts/prepare/index.ts
index 459875b32c..df9b507531 100644
--- a/scripts/prepare/index.ts
+++ b/scripts/prepare/index.ts
@@ -17,7 +17,7 @@ const [{ version }, versions] = await Promise.all([
 ]);
 
 if (!version) {
-  throw new Error('No version found in package.json of Hilla "hilla-generator-core"');
+  throw new Error('No version found in package.json of Hilla "/ts/generator-core"');
 }
 
 // run the generator