diff --git a/test/src/databases/all/compound-atomic.spec.ts b/test/src/databases/all/compound-atomic.spec.ts
index a5fd710357..0ddbc1f24d 100644
--- a/test/src/databases/all/compound-atomic.spec.ts
+++ b/test/src/databases/all/compound-atomic.spec.ts
@@ -38,7 +38,7 @@ describe.each(runtimes.runtimeList)(
     // this is just a standin for "unknown function"
     const arrayLen = {
       'duckdb': 'LEN',
-      'duckdb-wasm': 'LEN',
+      'duckdb_wasm': 'LEN',
       'motherduck': 'LEN',
       'bigquery': 'ARRAY_LENGTH',
       'postgres': 'ARRAY_LENGTH',