diff --git a/src/openmv/camera.py b/src/openmv/camera.py
index fd1aa20..0c81552 100644
--- a/src/openmv/camera.py
+++ b/src/openmv/camera.py
@@ -103,7 +103,7 @@ def _handle_event(self, channel_id, event):
         """Handle events from the device"""
         if channel_id == 0:
             # System events
-            event_name = EventType(event).name if event in EventType else f"0x{event:04X}"
+            event_name = EventType(event).name if event in EventType._value2member_map_ else f"0x{event:04X}"
             logging.info(f"🔔 System Event: channel=system, event={event_name}")
 
             # Handle system events
diff --git a/src/openmv/transport.py b/src/openmv/transport.py
index c0121f5..96b4b34 100644
--- a/src/openmv/transport.py
+++ b/src/openmv/transport.py
@@ -115,7 +115,7 @@ def log(self, seq=None, ch=None, opcode=None, flags=None, length=None, direction
             flags = packet['flags']
             length = packet['length']
 
-        opcode_str = Opcode(opcode).name if opcode in Opcode else f"0x{opcode:02X}"
+        opcode_str = Opcode(opcode).name if opcode in Opcode._value2member_map_ else f"0x{opcode:02X}"
         flags_str = self._format_flags(flags)
 
         # Add emoji based on packet type and direction