diff --git a/dGame/dUtilities/SlashCommands/DEVGMCommands.h b/dGame/dUtilities/SlashCommands/DEVGMCommands.h
index 5e78ed80..e03fd4de 100644
--- a/dGame/dUtilities/SlashCommands/DEVGMCommands.h
+++ b/dGame/dUtilities/SlashCommands/DEVGMCommands.h
@@ -1,3 +1,6 @@
+#ifndef DEVGMCOMMANDS_H
+#define DEVGMCOMMANDS_H
+
 namespace DEVGMCommands {
 	void SetGMLevel(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void ToggleNameplate(Entity* entity, const SystemAddress& sysAddr, const std::string args);
@@ -71,3 +74,5 @@ namespace DEVGMCommands {
 	void CastSkill(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void DeleteInven(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 }
+
+#endif  //!DEVGMCOMMANDS_H
diff --git a/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h b/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h
index e8d60383..7cb3d8d7 100644
--- a/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h
+++ b/dGame/dUtilities/SlashCommands/GMGreaterThanZeroCommands.h
@@ -1,3 +1,6 @@
+#ifndef GMGREATERTHANZEROCOMMANDS_H
+#define GMGREATERTHANZEROCOMMANDS_H
+
 namespace GMGreaterThanZeroCommands {
 	void Kick(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void MailItem(Entity* entity, const SystemAddress& sysAddr, const std::string args);
@@ -13,3 +16,5 @@ namespace GMGreaterThanZeroCommands {
 	void ShowAll(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void FindPlayer(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 }
+
+#endif  //!GMGREATERTHANZEROCOMMANDS_H
diff --git a/dGame/dUtilities/SlashCommands/GMZeroCommands.h b/dGame/dUtilities/SlashCommands/GMZeroCommands.h
index 29aa8f36..3b2389b5 100644
--- a/dGame/dUtilities/SlashCommands/GMZeroCommands.h
+++ b/dGame/dUtilities/SlashCommands/GMZeroCommands.h
@@ -1,3 +1,6 @@
+#ifndef GMZEROCOMMANDS_H
+#define GMZEROCOMMANDS_H
+
 namespace GMZeroCommands {
 	void Help(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void Credits(Entity* entity, const SystemAddress& sysAddr, const std::string args);
@@ -13,3 +16,5 @@ namespace GMZeroCommands {
 	void Resurrect(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 	void InstanceInfo(Entity* entity, const SystemAddress& sysAddr, const std::string args);
 }
+
+#endif  //!GMZEROCOMMANDS_H