diff --git a/monkey/common/agent_events/ping_scan_event.py b/monkey/common/agent_events/ping_scan_event.py
index bfb650f04..b91ee9fc4 100644
--- a/monkey/common/agent_events/ping_scan_event.py
+++ b/monkey/common/agent_events/ping_scan_event.py
@@ -1,3 +1,5 @@
+from pydantic import Field
+
 from common.types import PingScanData
 
 from . import AbstractAgentEvent
@@ -11,4 +13,4 @@ class PingScanEvent(AbstractAgentEvent):
         :param scan_data: The data collected from the ping scan
     """
 
-    scan_data: PingScanData
+    scan_data: PingScanData = Field(default=None)