diff --git a/dCommon/dEnums/eHelpType.h b/dCommon/dEnums/eHelpType.h
index 94f584e6..c2fa70cd 100644
--- a/dCommon/dEnums/eHelpType.h
+++ b/dCommon/dEnums/eHelpType.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef __EHELPTYPE__H__
+#define __EHELPTYPE__H__
 
 #include <cstdint>
 
@@ -35,3 +36,5 @@ enum class eHelpType : int32_t {
 	PET_DESPAWN_TAMING_NEW_PET = 70,
 	UI_INVENTORY_FULL_CANNOT_PICKUP_ITEM = 86
 };
+
+#endif  //!__EHELPTYPE__H__
diff --git a/dCommon/dEnums/ePetAbilityType.h b/dCommon/dEnums/ePetAbilityType.h
index 70cf75c6..3b2e5520 100644
--- a/dCommon/dEnums/ePetAbilityType.h
+++ b/dCommon/dEnums/ePetAbilityType.h
@@ -1,6 +1,5 @@
-#pragma once
-
-#include <cstdint>
+#ifndef __EPETABILITYTYPE__H__
+#define __EPETABILITYTYPE__H__
 
 enum class ePetAbilityType : int32_t {
 	Invalid,
@@ -8,3 +7,5 @@ enum class ePetAbilityType : int32_t {
 	JumpOnObject,
 	DigAtPosition
 };
+
+#endif  //!__EPETABILITYTYPE__H__
diff --git a/dGame/dComponents/BaseCombatAIComponent.h b/dGame/dComponents/BaseCombatAIComponent.h
index f85fa70f..a08b008e 100644
--- a/dGame/dComponents/BaseCombatAIComponent.h
+++ b/dGame/dComponents/BaseCombatAIComponent.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef BASECOMBATAICOMPONENT_H
+#define BASECOMBATAICOMPONENT_H
 
 #include "RakNetTypes.h"
 #include "dCommonVars.h"
@@ -387,3 +388,5 @@ private:
 	 */
 	bool IsMech();
 };
+
+#endif // BASECOMBATAICOMPONENT_H
diff --git a/dGame/dGameMessages/GameMessages.h b/dGame/dGameMessages/GameMessages.h
index f1791904..6099f204 100644
--- a/dGame/dGameMessages/GameMessages.h
+++ b/dGame/dGameMessages/GameMessages.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef GAMEMESSAGES_H
+#define GAMEMESSAGES_H
 
 #include "dCommonVars.h"
 #include <map>
@@ -661,3 +662,5 @@ namespace GameMessages {
 	void HandleConfirmDonationOnPlayer(RakNet::BitStream* inStream, Entity* entity);
 	void HandleCancelDonationOnPlayer(RakNet::BitStream* inStream, Entity* entity);
 };
+
+#endif // GAMEMESSAGES_H