diff --git a/src/server/game/Server/Packets/ChatPackets.h b/src/server/game/Server/Packets/ChatPackets.h
index cbb9da156b0..25e029b9dc9 100644
--- a/src/server/game/Server/Packets/ChatPackets.h
+++ b/src/server/game/Server/Packets/ChatPackets.h
@@ -21,6 +21,7 @@
 #include "Packet.h"
 #include "Common.h"
 #include "ObjectGuid.h"
+#include "Optional.h"
 #include "PacketUtilities.h"
 #include "SharedDefines.h"
 
diff --git a/src/server/game/Server/Packets/QueryPackets.h b/src/server/game/Server/Packets/QueryPackets.h
index dfdf3d437a0..b8453ac3f44 100644
--- a/src/server/game/Server/Packets/QueryPackets.h
+++ b/src/server/game/Server/Packets/QueryPackets.h
@@ -22,6 +22,7 @@
 #include "AuthenticationPackets.h"
 #include "NPCHandler.h"
 #include "ObjectGuid.h"
+#include "PacketUtilities.h"
 #include "Position.h"
 #include "QuestDef.h"
 #include "SharedDefines.h"