diff --git a/crates/native_blockifier/src/py_transaction_execution_info.rs b/crates/native_blockifier/src/py_transaction_execution_info.rs
index c2e52e068b..a7089f2188 100644
--- a/crates/native_blockifier/src/py_transaction_execution_info.rs
+++ b/crates/native_blockifier/src/py_transaction_execution_info.rs
@@ -61,7 +61,7 @@ pub struct PyCallInfo {
     #[pyo3(get)]
     pub gas_consumed: u64, // Currently not in use.
     #[pyo3(get)]
-    pub failure_flag: PyFelt, // Currently not in use.
+    pub failure_flag: bool, // Currently not in use.
     #[pyo3(get)]
     pub retdata: Vec<PyFelt>,
     #[pyo3(get)]
@@ -99,7 +99,7 @@ impl From<CallInfo> for PyCallInfo {
             entry_point_type: call.entry_point_type as u8,
             calldata: to_py_vec(call.calldata.0.to_vec(), PyFelt),
             gas_consumed: execution.gas_consumed,
-            failure_flag: PyFelt::from(execution.failed as u8),
+            failure_flag: execution.failed,
             retdata: to_py_vec(execution.retdata.0, PyFelt),
             execution_resources: PyVmExecutionResources::from(call_info.vm_resources),
             events: to_py_vec(execution.events, PyOrderedEvent::from),