diff --git a/tools/db_crashtest.py b/tools/db_crashtest.py
index 0a7447c98..3a96079bd 100644
--- a/tools/db_crashtest.py
+++ b/tools/db_crashtest.py
@@ -305,6 +305,7 @@ ts_params = {
     "use_blob_db": 0,
     "enable_compaction_filter": 0,
     "ingest_external_file_one_in": 0,
+    "use_block_based_filter": 0,
 }
 
 def finalize_and_sanitize(src_params):