diff --git a/packages/api/src/services/library_item.ts b/packages/api/src/services/library_item.ts
index e42dcdb9f..3eebe4efd 100644
--- a/packages/api/src/services/library_item.ts
+++ b/packages/api/src/services/library_item.ts
@@ -35,6 +35,7 @@ import { logger } from '../utils/logger'
 import { parseSearchQuery } from '../utils/search'
 import { HighlightEvent } from './highlights'
 import { addLabelsToLibraryItem, LabelEvent } from './labels'
+import { stringToHash } from '../utils/helpers'
 
 const columnsToDelete = [
   'user',
@@ -704,7 +705,9 @@ export const createSearchQueryBuilder = (
 }
 
 export const countLibraryItems = async (args: SearchArgs, userId: string) => {
-  const cacheKey = `countLibraryItems:${userId}:${JSON.stringify(args)}`
+  // hash the arguments to create a unique cache key
+  const argsHash = stringToHash(JSON.stringify(args))
+  const cacheKey = `countLibraryItems:${userId}:${argsHash}`
   const cachedCount = await redisDataSource.redisClient?.get(cacheKey)
   if (cachedCount) {
     return parseInt(cachedCount, 10)