diff --git a/SimConnect/Enum.py b/SimConnect/Enum.py
index 8b42cad..216deb3 100644
--- a/SimConnect/Enum.py
+++ b/SimConnect/Enum.py
@@ -118,7 +118,7 @@ class SIMCONNECT_EXCEPTION(CtypesEnum):
 	SIMCONNECT_EXCEPTION_CREATE_OBJECT_FAILED = 22
 	SIMCONNECT_EXCEPTION_LOAD_FLIGHTPLAN_FAILED = 23
 	SIMCONNECT_EXCEPTION_OPERATION_INVALID_FOR_OBJECT_TYPE = 24
-	SIMCONNECT_EXCEPTION_ILLEGAL_OPERATION = 24
+	SIMCONNECT_EXCEPTION_ILLEGAL_OPERATION = 25
 	SIMCONNECT_EXCEPTION_ALREADY_SUBSCRIBED = 26
 	SIMCONNECT_EXCEPTION_INVALID_ENUM = 27
 	SIMCONNECT_EXCEPTION_DEFINITION_ERROR = 28