diff --git a/packages/scripts/src/core/vfs/abstract.ts b/packages/scripts/src/core/vfs/abstract.ts
index a43dd18f5..5566794ba 100644
--- a/packages/scripts/src/core/vfs/abstract.ts
+++ b/packages/scripts/src/core/vfs/abstract.ts
@@ -30,7 +30,7 @@ export abstract class AbstractVFS {
   assert(path: string) {
     const resolved = this.resolve(path);
 
-    if (!resolved) throw new Error(`File not found: ${path}`);
+    if (resolved === null) throw new Error(`File not found: ${path}`);
 
     return resolved;
   }
diff --git a/packages/scripts/src/core/vfs/zip.ts b/packages/scripts/src/core/vfs/zip.ts
index 89758e2a7..80169182e 100644
--- a/packages/scripts/src/core/vfs/zip.ts
+++ b/packages/scripts/src/core/vfs/zip.ts
@@ -22,7 +22,7 @@ export class ZipVFS extends AbstractVFS {
   }
 
   has(path: string) {
-    return path in this.entries;
+    return this.entries.has(path);
   }
 
   async raw(path: string) {