diff --git a/packages/frontend/src/components/global/MkAvatar.vue b/packages/frontend/src/components/global/MkAvatar.vue
index e3189508d..e59a3f803 100644
--- a/packages/frontend/src/components/global/MkAvatar.vue
+++ b/packages/frontend/src/components/global/MkAvatar.vue
@@ -159,7 +159,7 @@ watch(() => props.user.avatarBlurhash, () => {
 	display: inline-block;
 	vertical-align: bottom;
 	flex-shrink: 0;
-	border-radius: var(--radius-full);
+	border-radius: 100%;
 	line-height: 16px;
 }