diff --git a/packages/client/src/components/MkCropperDialog.vue b/packages/client/src/components/MkCropperDialog.vue
index 4f65268505..9731a64c34 100644
--- a/packages/client/src/components/MkCropperDialog.vue
+++ b/packages/client/src/components/MkCropperDialog.vue
@@ -22,7 +22,7 @@
 						ref="cropper"
 						:img="imgUrl"
 						:options="{
-							aspectRatio: aspectRatio ? aspectRatio[0] / aspectRatio[1] : null,
+							aspectRatio: aspectRatio ?? null,
 							viewMode: 1,
 						}"
 					></VuePictureCropper>
@@ -52,7 +52,7 @@ const emit = defineEmits<{
 
 const props = defineProps<{
 	file: firefish.entities.DriveFile;
-	aspectRatio?: Array<number>;
+	aspectRatio?: number;
 }>();
 
 const imgUrl = `${url}/proxy/image.webp?${query({
diff --git a/packages/client/src/os.ts b/packages/client/src/os.ts
index 9279098a7b..c4091e91a6 100644
--- a/packages/client/src/os.ts
+++ b/packages/client/src/os.ts
@@ -747,7 +747,7 @@ export async function pickEmoji(src: HTMLElement | null, opts) {
 export async function cropImage(
 	image: firefish.entities.DriveFile,
 	options?: {
-		aspectRatio?: Array<number>;
+		aspectRatio?: number;
 	},
 ): Promise<firefish.entities.DriveFile> {
 	return new Promise((resolve, reject) => {
diff --git a/packages/client/src/pages/settings/profile.vue b/packages/client/src/pages/settings/profile.vue
index 5d5aedb19e..e3e4476b92 100644
--- a/packages/client/src/pages/settings/profile.vue
+++ b/packages/client/src/pages/settings/profile.vue
@@ -257,7 +257,7 @@ function changeAvatar(ev) {
 
 			if (!canceled) {
 				originalOrCropped = await os.cropImage(file, {
-					aspectRatio: [1, 1],
+					aspectRatio: 1,
 				});
 			}
 
@@ -282,7 +282,7 @@ function changeBanner(ev) {
 
 			if (!canceled) {
 				originalOrCropped = await os.cropImage(file, {
-					aspectRatio: [16, 9],
+					aspectRatio: 16 / 9,
 				});
 			}