3 files changed, 13 insertions, 4 deletions
diff --git a/include/DebuggerKit/DebuggerContract.h b/include/DebuggerKit/DebuggerContract.h
index 4f02b90..1d8c3bc 100644
--- a/include/DebuggerKit/DebuggerContract.h
+++ b/include/DebuggerKit/DebuggerContract.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef NECTAR_DEBUGGERKIT_DEBUGGERCONTRACT_H
+#define NECTAR_DEBUGGERKIT_DEBUGGERCONTRACT_H
 
 #include <DebuggerKit/Detail/Config.h>
 #include <unordered_map>
@@ -44,3 +45,5 @@ class IDebuggerContract {
 };
 }  // namespace DebuggerKit
 
+#endif  // NECTAR_DEBUGGERKIT_DEBUGGERCONTRACT_H
+
diff --git a/include/DebuggerKit/Detail/Config.h b/include/DebuggerKit/Detail/Config.h
index 4437e8a..87fbe22 100644
--- a/include/DebuggerKit/Detail/Config.h
+++ b/include/DebuggerKit/Detail/Config.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef NECTAR_DEBUGGERKIT_DETAIL_CONFIG_H
+#define NECTAR_DEBUGGERKIT_DETAIL_CONFIG_H
 
 /// =========================================================== ///
 /// @author Amlal El Mahrouss
@@ -64,3 +65,5 @@ namespace Detail {
   using dk_socket_type             = int64_t;
 }  // namespace Detail
 }  // namespace DebuggerKit
+
+#endif  // NECTAR_DEBUGGERKIT_DETAIL_CONFIG_H
diff --git a/include/DebuggerKit/POSIXMachContract.h b/include/DebuggerKit/POSIXMachContract.h
index 438eae0..22b8958 100644
--- a/include/DebuggerKit/POSIXMachContract.h
+++ b/include/DebuggerKit/POSIXMachContract.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef NECTAR_DEBUGGERKIT_POSIXMACHCONTRACT_H
+#define NECTAR_DEBUGGERKIT_POSIXMACHCONTRACT_H
 
 #ifdef DK_MACH_DEBUGGER
 
@@ -152,5 +153,7 @@ class POSIXMachContract final DK_DEBUGGER_CONTRACT {
 };
 }  // namespace DebuggerKit::POSIX
 
-#endif
+#endif  // DK_MACH_DEBUGGER
+
+#endif  // NECTAR_DEBUGGERKIT_POSIXMACHCONTRACT_H