6 files changed, 24 insertions, 6 deletions
diff --git a/src/kernel/StorageKit/AHCI.h b/src/kernel/StorageKit/AHCI.h
index d29cb0fc..fa74a0f4 100644
--- a/src/kernel/StorageKit/AHCI.h
+++ b/src/kernel/StorageKit/AHCI.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef STORAGEKIT_AHCI_H
+#define STORAGEKIT_AHCI_H
 
 #include <KernelKit/DeviceMgr.h>
 #include <KernelKit/DriveMgr.h>
@@ -45,3 +46,5 @@ class AHCIDeviceInterface NE_DEVICE<IMountpoint*> {
 UInt16                       sk_init_ahci_device(BOOL atapi);
 ErrorOr<AHCIDeviceInterface> sk_acquire_ahci_device(UInt32 drv_index);
 }  // namespace Kernel
+
+#endif
diff --git a/src/kernel/StorageKit/ATA.h b/src/kernel/StorageKit/ATA.h
index 729cf4f7..3b33a97d 100644
--- a/src/kernel/StorageKit/ATA.h
+++ b/src/kernel/StorageKit/ATA.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef STORAGEKIT_ATA_H
+#define STORAGEKIT_ATA_H
 
 #include <KernelKit/DeviceMgr.h>
 #include <KernelKit/DriveMgr.h>
@@ -54,3 +55,5 @@ BOOL sk_init_ata_device(BOOL is_master, UInt16& io, UInt8& master);
 /// @return A wrapped device interface if successful, or error code.
 ErrorOr<ATADeviceInterface> sk_acquire_ata_device(Int32 drv_index);
 }  // namespace Kernel
+
+#endif
diff --git a/src/kernel/StorageKit/NVME.h b/src/kernel/StorageKit/NVME.h
index 3a4ced1e..80b1630a 100644
--- a/src/kernel/StorageKit/NVME.h
+++ b/src/kernel/StorageKit/NVME.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef STORAGEKIT_NVME_H
+#define STORAGEKIT_NVME_H
 
 #include <KernelKit/DeviceMgr.h>
 #include <KernelKit/DriveMgr.h>
@@ -29,3 +30,5 @@ class NVMEDeviceInterface final NE_DEVICE<IMountpoint*> {
   Void (*fCleanup)(Void) = {nullptr};
 };
 }  // namespace Kernel
+
+#endif
diff --git a/src/kernel/StorageKit/PRDT.h b/src/kernel/StorageKit/PRDT.h
index 44eb11be..0b0ce32e 100644
--- a/src/kernel/StorageKit/PRDT.h
+++ b/src/kernel/StorageKit/PRDT.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef STORAGEKIT_PRDT_H
+#define STORAGEKIT_PRDT_H
 
 #include <KernelKit/PCI/DMA.h>
 #include <KernelKit/PCI/Iterator.h>
@@ -31,3 +32,5 @@ void construct_prdt(Ref<PRDT>& prd);
 
 EXTERN_C Int32 kPRDTTransferStatus;
 }  // namespace Kernel
+
+#endif
diff --git a/src/kernel/StorageKit/SCSI.h b/src/kernel/StorageKit/SCSI.h
index 3354a678..83395e0e 100644
--- a/src/kernel/StorageKit/SCSI.h
+++ b/src/kernel/StorageKit/SCSI.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef STORAGEKIT_SCSI_H
+#define STORAGEKIT_SCSI_H
 
 #include <KernelKit/DriveMgr.h>
 #include <NeKit/OwnPtr.h>
@@ -27,3 +28,5 @@ class SCSIDeviceInterface final NE_DEVICE<IMountpoint*> {
   Void (*fCleanup)(Void) = {nullptr};
 };
 }  // namespace Kernel
+
+#endif
diff --git a/src/kernel/StorageKit/StorageKit.h b/src/kernel/StorageKit/StorageKit.h
index d7a1b6e9..87dd346e 100644
--- a/src/kernel/StorageKit/StorageKit.h
+++ b/src/kernel/StorageKit/StorageKit.h
@@ -4,7 +4,8 @@
 
 ======================================== */
 
-#pragma once
+#ifndef STORAGEKIT_STORAGEKIT_H
+#define STORAGEKIT_STORAGEKIT_H
 
 #define kDriveSectorSizeHDD (512U)
 #define kDriveSectorSizeSSD (512U)
@@ -19,3 +20,5 @@ class AHCIDeviceInterface;
 class ATADeviceInterface;
 class SCSIDeviceInterface;
 }  // namespace Kernel
+
+#endif