diff --git a/Loop/Managers/DeviceDataManager.swift b/Loop/Managers/DeviceDataManager.swift
index 6a7fe4548a..ddf0b38033 100644
--- a/Loop/Managers/DeviceDataManager.swift
+++ b/Loop/Managers/DeviceDataManager.swift
@@ -889,6 +889,7 @@ final class DeviceDataManager: CarbStoreDelegate, DoseStoreDelegate, Transmitter
         )
 
         carbStore = CarbStore(
+            defaultAbsorptionTimes: (fast: TimeInterval(hours: 2), medium: TimeInterval(hours: 3), slow: TimeInterval(hours: 4)),
             carbRatioSchedule: carbRatioSchedule,
             insulinSensitivitySchedule: insulinSensitivitySchedule
         )