diff --git a/src/govoplan_core/core/idm.py b/src/govoplan_core/core/idm.py
index 7cd545b..88961f9 100644
--- a/src/govoplan_core/core/idm.py
+++ b/src/govoplan_core/core/idm.py
@@ -9,7 +9,7 @@ from typing import Literal, Protocol, runtime_checkable
 IDM_MODULE_ID = "idm"
 CAPABILITY_IDM_DIRECTORY = "idm.directory"
 CAPABILITY_IDM_FUNCTION_ASSIGNMENTS = "idm.function_assignments"
-CAPABILITY_IDM_ASSIGNMENT_LIFECYCLE = "idm.assignmentLifecycle"
+CAPABILITY_IDM_ASSIGNMENT_LIFECYCLE = "idm.assignment_lifecycle"
 
 IdmStatus = Literal["active", "inactive", "suspended"]
 OrganizationFunctionAssignmentSource = Literal["direct", "delegated", "acting_for", "directory", "governance", "system"]