diff --git a/CHANGELOG.md b/CHANGELOG.md
index d01358b27..d7cd03541 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@
 - Unifying Misskey-specific IRIs in JSON-LD `@context`
 
 ### Bugfixes
+- アップロードエラー時の処理を修正
 
 ## 12.101.1 (2021/12/29)
 
diff --git a/packages/client/src/os.ts b/packages/client/src/os.ts
index 378523e1b..c16ea717a 100644
--- a/packages/client/src/os.ts
+++ b/packages/client/src/os.ts
@@ -570,7 +570,7 @@ export function upload(file: File, folder?: any, name?: string): Promise<Misskey
 			const xhr = new XMLHttpRequest();
 			xhr.open('POST', apiUrl + '/drive/files/create', true);
 			xhr.onload = (ev) => {
-				if (ev.target == null || ev.target.response == null) {
+				if (xhr.status !== 200 || ev.target == null || ev.target.response == null) {
 					// TODO: 消すのではなくて再送できるようにしたい
 					uploads.value = uploads.value.filter(x => x.id != id);