diff --git a/src/controllers/api/completeCalendarEventController.ts b/src/controllers/api/completeCalendarEventController.ts
index 1f627a9e..993b55c7 100644
--- a/src/controllers/api/completeCalendarEventController.ts
+++ b/src/controllers/api/completeCalendarEventController.ts
@@ -14,10 +14,10 @@ export const completeCalendarEventController: RequestHandler = async (req, res)
     let inventoryChanges: IInventoryChanges = {};
     const dayIndex = calendarProgress.SeasonProgress.LastCompletedDayIdx + 1;
     const day = currentSeason.Days[dayIndex];
-    if (day.events.length != 0 && day.events[0].type == "CET_CHALLENGE") {
-        throw new Error(`completeCalendarEvent should not be used for challenges`);
-    }
     if (day.events.length != 0) {
+        if (day.events[0].type == "CET_CHALLENGE") {
+            throw new Error(`completeCalendarEvent should not be used for challenges`);
+        }
         const selection = day.events[parseInt(req.query.CompletedEventIdx as string)];
         if (selection.type == "CET_REWARD") {
             inventoryChanges = (await handleStoreItemAcquisition(selection.reward!, inventory)).InventoryChanges;