diff --git a/nodejs/__test__/table.test.ts b/nodejs/__test__/table.test.ts
index 51e3a048f..bc3a3d716 100644
--- a/nodejs/__test__/table.test.ts
+++ b/nodejs/__test__/table.test.ts
@@ -1520,9 +1520,9 @@ describe("when optimizing a dataset", () => {
 
   it("delete unverified", async () => {
     const version = await table.version();
-    const versionFile = `${tmpDir.name}/${table.name}.lance/_versions/${
-      version - 1
-    }.manifest`;
+    const versionFile = `${tmpDir.name}/${table.name}.lance/_versions/${String(
+      18446744073709551615n - (BigInt(version) - 1n),
+    ).padStart(20, "0")}.manifest`;
     fs.rmSync(versionFile);
 
     let stats = await table.optimize({ deleteUnverified: false });