diff --git a/Loop/Managers/LoopDataManager.swift b/Loop/Managers/LoopDataManager.swift
index 5bbc7611c6..fe94c2a13e 100644
--- a/Loop/Managers/LoopDataManager.swift
+++ b/Loop/Managers/LoopDataManager.swift
@@ -65,6 +65,7 @@ final class LoopDataManager {
         carbStore = CarbStore(
             healthStore: healthStore,
             cacheStore: cacheStore,
+            cacheLength: .hours(24),
             defaultAbsorptionTimes: LoopSettings.defaultCarbAbsorptionTimes,
             carbRatioSchedule: carbRatioSchedule,
             insulinSensitivitySchedule: insulinSensitivitySchedule,