diff --git a/packages/duckdb-wasm/test/opfs.test.ts b/packages/duckdb-wasm/test/opfs.test.ts
index 3ee306ebe..7e2523747 100644
--- a/packages/duckdb-wasm/test/opfs.test.ts
+++ b/packages/duckdb-wasm/test/opfs.test.ts
@@ -296,7 +296,7 @@ export function testOPFS(baseDir: string, bundle: () => duckdb.DuckDBBundle): vo
         await opfsRoot.removeEntry('test.parquet').catch(() => {
         });
         try {
-            let datadir = await opfsRoot.getDirectoryHandle('datadir');
+            const datadir = await opfsRoot.getDirectoryHandle('datadir');
             datadir.removeEntry('test.parquet').catch(() => {
             });
         } catch (e) {