diff --git a/src/server/game/Server/Packets/AuthenticationPackets.cpp b/src/server/game/Server/Packets/AuthenticationPackets.cpp
index 8854232466f..5537767f60a 100644
--- a/src/server/game/Server/Packets/AuthenticationPackets.cpp
+++ b/src/server/game/Server/Packets/AuthenticationPackets.cpp
@@ -362,7 +362,8 @@ WorldPacket const* WorldPackets::Auth::EnterEncryptedMode::Write()
     ed25519.SignWithContext(toSign, { EnableEncryptionContext.begin(), EnableEncryptionContext.end() }, signature);
 
     _worldPacket.append(signature.data(), signature.size());
-    _worldPacket.WriteBit(Enabled);
+    _worldPacket << int32(RegionGroup);
+    _worldPacket << Bits<1>(Enabled);
     _worldPacket.FlushBits();
 
     return &_worldPacket;
diff --git a/src/server/game/Server/Packets/AuthenticationPackets.h b/src/server/game/Server/Packets/AuthenticationPackets.h
index bb838b972f8..929fa0b4392 100644
--- a/src/server/game/Server/Packets/AuthenticationPackets.h
+++ b/src/server/game/Server/Packets/AuthenticationPackets.h
@@ -308,6 +308,7 @@ namespace WorldPackets
             WorldPacket const* Write() override;
 
             std::array<uint8, 32> const& EncryptionKey;
+            int32 RegionGroup = 0;
             bool Enabled = false;
         };