diff --git a/tools/db_crashtest.py b/tools/db_crashtest.py
index 3219c5241..6352f8ec9 100644
--- a/tools/db_crashtest.py
+++ b/tools/db_crashtest.py
@@ -364,6 +364,12 @@ ts_params = {
     "enable_blob_files": 0,
     "use_blob_db": 0,
     "ingest_external_file_one_in": 0,
+    # TODO akanksha: Currently subcompactions is failing with user_defined_timestamp if
+    # subcompactions > 1, or
+    # compact_pri == 4 even if subcompactions is 1, there can still be multiple subcompactions.
+    # Remove this check once its fixed.
+    "subcompactions": 1,
+    "compaction_pri": random.randint(0, 3),
 }
 
 tiered_params = {