diff --git a/packages/api/src/services/cached_reading_position.ts b/packages/api/src/services/cached_reading_position.ts
index c6635cb1a..a516c4978 100644
--- a/packages/api/src/services/cached_reading_position.ts
+++ b/packages/api/src/services/cached_reading_position.ts
@@ -121,7 +121,7 @@ export const fetchCachedReadingPosition = async (
   return undefined
 }
 
-export const reduceCachedReadingPositionMembers = async (
+export const reduceCachedReadingPositionMembers = (
   uid: string,
   libraryItemID: string,
   items: ReadingProgressCacheItem[]