diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/group.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/group.kt
index c6e53b96a..5616c6605 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/group.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/group.kt
@@ -142,7 +142,7 @@ public sealed class BotJoinGroupEvent : GroupEvent, BotPassiveEvent, Packet, Abs
     public data class Retrieve internal constructor(
         public override val group: Group
     ) : BotJoinGroupEvent() {
-        override fun toString(): String = "MemberJoinEvent.Retrieve(group=${group.id})"
+        override fun toString(): String = "BotJoinGroupEvent.Retrieve(group=${group.id})"
     }
 }