diff --git a/src/crewai/flow/flow_trackable.py b/src/crewai/flow/flow_trackable.py
index 64e90630c..3cdbdeed3 100644
--- a/src/crewai/flow/flow_trackable.py
+++ b/src/crewai/flow/flow_trackable.py
@@ -20,7 +20,8 @@ class FlowTrackable(BaseModel):
     )
 
     @model_validator(mode="after")
-    def _set_parent_flow(self, max_depth: int = 5) -> "FlowTrackable":
+    def _set_parent_flow(self) -> "FlowTrackable":
+        max_depth = 5
         frame = inspect.currentframe()
 
         try: