diff --git a/api/ovdashboard_api/core/caldav.py b/api/ovdashboard_api/core/caldav.py
index 8b62093..bd885b4 100644
--- a/api/ovdashboard_api/core/caldav.py
+++ b/api/ovdashboard_api/core/caldav.py
@@ -47,13 +47,13 @@ class CalDAV:
         _logger.debug("calendars")
         return [str(cal.name) for cal in cls.principal.calendars()]
 
+    @classmethod
     @AsyncTTL(
         time_to_live=SETTINGS.caldav.cache_ttl,
         maxsize=SETTINGS.caldav.cache_size,
         skip_args=1,
     )
     @asyncify
-    @classmethod
     def get_calendar(cls, calendar_name: str) -> Calendar:
         """
         Get a calendar by name using the CalDAV principal object.
@@ -62,6 +62,12 @@ class CalDAV:
         return cls.principal.calendar(calendar_name)
 
     @classmethod
+    @AsyncTTL(
+        time_to_live=SETTINGS.caldav.cache_ttl,
+        maxsize=SETTINGS.caldav.cache_size,
+        skip_args=1,
+    )
+    @asyncify
     def get_events(cls, calendar_name: str, cfg: Config) -> list[CalEvent]:
         """
         Get a sorted list of events by CalDAV calendar name.
diff --git a/api/ovdashboard_api/routers/v1/aggregate.py b/api/ovdashboard_api/routers/v1/aggregate.py
index 1babc97..1238c7e 100644
--- a/api/ovdashboard_api/routers/v1/aggregate.py
+++ b/api/ovdashboard_api/routers/v1/aggregate.py
@@ -58,6 +58,6 @@ async def get_aggregate_calendar(
 
     for cal_prefix in cfg.calendar.aggregates[name]:
         cal_name = await LM_CALENDARS.getter.func(cal_prefix)
-        events.extend(CalDAV.get_events(cal_name, cfg))
+        events.extend(await CalDAV.get_events(cal_name, cfg))
 
     return sorted(events)
diff --git a/api/ovdashboard_api/routers/v1/calendar.py b/api/ovdashboard_api/routers/v1/calendar.py
index e5a34bd..aa6ec33 100644
--- a/api/ovdashboard_api/routers/v1/calendar.py
+++ b/api/ovdashboard_api/routers/v1/calendar.py
@@ -52,7 +52,7 @@ async def get_calendar(
     name: str = Depends(LM_CALENDARS.getter.func),
     cfg: Config = Depends(get_config),
 ) -> list[CalEvent]:
-    return CalDAV.get_events(name, cfg)
+    return await CalDAV.get_events(name, cfg)
 
 
 @router.get("/config")