diff --git a/e2e_test/iceberg/test_case/cdc/load.slt b/e2e_test/iceberg/test_case/cdc/load.slt
index 0eb0f22d9c27e..8fa14471ceeaf 100644
--- a/e2e_test/iceberg/test_case/cdc/load.slt
+++ b/e2e_test/iceberg/test_case/cdc/load.slt
@@ -38,8 +38,7 @@ CREATE SINK s1 AS select * from products WITH (
 statement ok
 flush;
 
-statement ok
-sleep 20;
+sleep 20s
 
 query I
 select count(*) from products;