diff --git a/src/composables/useSort.ts b/src/composables/useSort.ts
index 40a5708..78ae49b 100644
--- a/src/composables/useSort.ts
+++ b/src/composables/useSort.ts
@@ -4,7 +4,7 @@ export function useSort<T>(
   items: MaybeRefOrGetter<T[]>,
   sortKey: MaybeRefOrGetter<keyof T>,
   descending: MaybeRefOrGetter<boolean> = false,
-  sortFunctions: Partial<Record<keyof T, (a: T, b: T) => number>> = {}
+  sortFunctions: Partial<Record<keyof T | string, (a: T, b: T) => number>> = {}
 ) {
   const sortedItems = ref<T[]>([])