diff --git a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/User.kt b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/User.kt
index a89c586..8df8b47 100644
--- a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/User.kt
+++ b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/User.kt
@@ -12,7 +12,7 @@ sealed class User
 object UserSerializer : JsonContentPolymorphicSerializer<User>(User::class) {
     override fun selectDeserializer(element: JsonElement): DeserializationStrategy<out User> =
         when {
-            "avatarId" in element.jsonObject -> UserDetailed.serializer()
+            "url" in element.jsonObject -> UserDetailed.serializer()
             else -> UserLite.serializer()
         }
 }
diff --git a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/UserDetailed.kt b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/UserDetailed.kt
index 6a70a4a..27f0f61 100644
--- a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/UserDetailed.kt
+++ b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/model/components/UserDetailed.kt
@@ -13,7 +13,7 @@ object UserDetailedSerializer :
     JsonContentPolymorphicSerializer<UserDetailed>(UserDetailed::class) {
     override fun selectDeserializer(element: JsonElement): DeserializationStrategy<out UserDetailed> =
         when {
-            "url" in element.jsonObject -> MeDetailed.serializer()
+            "avatarId" in element.jsonObject -> MeDetailed.serializer()
             else -> UserDetailedNotMe.serializer()
         }
 }