diff --git a/src/aeros_equipment/service.py b/src/aeros_equipment/service.py
index d77b2e3..00cdefa 100644
--- a/src/aeros_equipment/service.py
+++ b/src/aeros_equipment/service.py
@@ -426,7 +426,7 @@ async def update_equipment_for_simulation(*, db_session: DbSession,aeros_db_sess
                 
                 eq["cmDisP1"] = reliabiility.get("cmDisP1", 0)
                 eq["relDisType"] = "Fixed"
-                eq["relDisP1"] = simulation_duration + 1
+                eq["relDisP1"] = simulation_duration + offset + 1
                 eq["relDisP2"] = 0
                 eq["ohDisP1"] = overhaul_duration
                 eq["ohDisUnitCode"] = "UHour"