diff --git a/src/server/game/Server/WorldSocket.cpp b/src/server/game/Server/WorldSocket.cpp
index 0ee6cd930df..8e704559478 100644
--- a/src/server/game/Server/WorldSocket.cpp
+++ b/src/server/game/Server/WorldSocket.cpp
@@ -559,7 +559,8 @@ void WorldSocket::HandleAuthSessionCallback(std::shared_ptr<AuthSession> authSes
     if (authSession->RealmID != realm.Id.Realm)
     {
         SendAuthResponseError(REALM_LIST_REALM_NOT_FOUND);
-        TC_LOG_ERROR("network", "WorldSocket::HandleAuthSession: Sent Auth Response (bad realm).");
+        TC_LOG_ERROR("network", "WorldSocket::HandleAuthSession: Client %s requested connecting with realm id %u but this realm has id %u set in config.",
+            GetRemoteIpAddress().to_string().c_str(), authSession->RealmID, realm.Id.Realm);
         DelayedCloseSocket();
         return;
     }