diff --git a/reactos/drivers/filesystems/fastfat_new/fatstruc.h b/reactos/drivers/filesystems/fastfat_new/fatstruc.h
index 260d7f72fa8..ca0a4d3beaa 100644
--- a/reactos/drivers/filesystems/fastfat_new/fatstruc.h
+++ b/reactos/drivers/filesystems/fastfat_new/fatstruc.h
@@ -116,7 +116,7 @@ typedef struct _FAT_METHODS {
     PFAT_SETFAT_VALUE_RUN_ROUTINE SetValueRun;
 } FAT_METHODS, *PFAT_METHODS;
 
-#define FAT_NTC_VCB  (USHORT) TAG('F', 'V', 0, 0)
+#define FAT_NTC_VCB  (USHORT) '00VF'
 
 /* Volume Control Block */
 typedef struct _VCB
diff --git a/reactos/drivers/usb/usbhub/usbhub.h b/reactos/drivers/usb/usbhub/usbhub.h
index b63125a842d..0bfb63ad14f 100644
--- a/reactos/drivers/usb/usbhub/usbhub.h
+++ b/reactos/drivers/usb/usbhub/usbhub.h
@@ -6,7 +6,7 @@
 #include "../miniport/usb_wrapper.h"
 #include "../usbport/hub.h"
 
-#define USB_HUB_TAG TAG('u','s','b','h')
+#define USB_HUB_TAG 'hbsu'
 
 typedef struct _HUB_DEVICE_EXTENSION
 {
diff --git a/reactos/drivers/usb/usbstor/usbstor.h b/reactos/drivers/usb/usbstor/usbstor.h
index 565c145694b..9793db758b9 100644
--- a/reactos/drivers/usb/usbstor/usbstor.h
+++ b/reactos/drivers/usb/usbstor/usbstor.h
@@ -4,7 +4,7 @@
 #include <initguid.h>
 #include <debug.h>
 
-#define USB_STOR_TAG TAG('u','s','b','s')
+#define USB_STOR_TAG 'sbsu'
 #define USB_MAXCHILDREN              (16)
 
 NTSTATUS NTAPI