diff --git a/bitvmx_protocol_library/bitvmx_execution/services/bitvmx_wrapper.py b/bitvmx_protocol_library/bitvmx_execution/services/bitvmx_wrapper.py
index d381283..b70abbb 100644
--- a/bitvmx_protocol_library/bitvmx_execution/services/bitvmx_wrapper.py
+++ b/bitvmx_protocol_library/bitvmx_execution/services/bitvmx_wrapper.py
@@ -34,8 +34,8 @@ def __init__(self, base_path: str):
         self.fail_actor = "prover"
         # self.fail_step = "1234567890"
         # self.fail_step = "1"
-        self.fail_step = "29"
-        # self.fail_step = None
+        # self.fail_step = "29"
+        self.fail_step = None
         # self.fail_type = "--fail-execute"
         self.fail_type = "--fail-hash"
         # self.fail_type = "--fail-pc"