diff --git a/src/utils/livePhotoUtils.ts b/src/utils/livePhotoUtils.ts
index 74b582c14..05eb16a94 100644
--- a/src/utils/livePhotoUtils.ts
+++ b/src/utils/livePhotoUtils.ts
@@ -43,6 +43,6 @@ export function findLivePhotoPeerFromName(referenceFile: BasicFileInfo, fileList
 	return fileList.find(comparedFile => {
 		// if same filename and extension is allowed
 		return comparedFile.filename !== referenceFile.filename
-				&& (comparedFile.basename.startsWith(referenceFile.name) && livePictureExtRegex.test(comparedFile.basename))
+			&& (comparedFile.basename.toString().startsWith(referenceFile.name) && livePictureExtRegex.test(comparedFile.basename))
 	})
 }