diff --git a/src/custom-sort/custom-sort.ts b/src/custom-sort/custom-sort.ts
index 7cd98b9..5a4a5f6 100644
--- a/src/custom-sort/custom-sort.ts
+++ b/src/custom-sort/custom-sort.ts
@@ -114,8 +114,8 @@ export const sorterByBookmarkOrder:(reverseOrder?: boolean, trueAlphabetical?: b
 		// Item with bookmark order goes before the w/o bookmark info
 		if (a.bookmarkedIdx) return -1
 		if (b.bookmarkedIdx) return 1
-		// Fallback -> requested sort by bookmark order, yet none of two items contain it, use alphabetical by name
-		return collatorCompareFn(a.sortString, b.sortString)
+
+		return EQUAL_OR_UNCOMPARABLE
 	}
 }