diff --git a/ios/Classes/SwiftDeviceCalendarPlugin.swift b/ios/Classes/SwiftDeviceCalendarPlugin.swift
index 0ea540d3..5dd2ba71 100644
--- a/ios/Classes/SwiftDeviceCalendarPlugin.swift
+++ b/ios/Classes/SwiftDeviceCalendarPlugin.swift
@@ -90,7 +90,7 @@ public class SwiftDeviceCalendarPlugin: NSObject, FlutterPlugin, EKEventViewDele
     let calendarNotFoundErrorMessageFormat = "The calendar with the ID %@ could not be found"
     let calendarReadOnlyErrorMessageFormat = "Calendar with ID %@ is read-only"
     let eventNotFoundErrorMessageFormat = "The event with the ID %@ could not be found"
-    let eventStore = EKEventStore()
+    lazy var eventStore = EKEventStore()
     let requestPermissionsMethod = "requestPermissions"
     let hasPermissionsMethod = "hasPermissions"
     let retrieveCalendarsMethod = "retrieveCalendars"