diff --git a/reactos/ntoskrnl/kdbg/kdb.c b/reactos/ntoskrnl/kdbg/kdb.c
index 4e49aab9272..612293c5206 100644
--- a/reactos/ntoskrnl/kdbg/kdb.c
+++ b/reactos/ntoskrnl/kdbg/kdb.c
@@ -320,10 +320,7 @@ KdbpStepOverInstruction(ULONG_PTR Eip)
 BOOLEAN
 KdbpStepIntoInstruction(ULONG_PTR Eip)
 {
-   struct __attribute__((packed)) {
-      USHORT Limit;
-      ULONG Base;
-   } Idtr;
+   KDESCRIPTOR Idtr;
    UCHAR Mem[2];
    INT IntVect;
    ULONG IntDesc[2];
@@ -353,7 +350,7 @@ KdbpStepIntoInstruction(ULONG_PTR Eip)
    }
 
    /* Read the interrupt descriptor table register  */
-   asm volatile("sidt %0" : : "m"(Idtr));
+   asm volatile("sidt %0" : : "m"(Idtr.Limit));
    if (IntVect >= (Idtr.Limit + 1) / 8)
    {
       /*KdbpPrint("IDT does not contain interrupt vector %d\n.", IntVect);*/
diff --git a/reactos/ntoskrnl/kdbg/kdb_cli.c b/reactos/ntoskrnl/kdbg/kdb_cli.c
index 8e4e13a28c7..ce91b37a609 100644
--- a/reactos/ntoskrnl/kdbg/kdb_cli.c
+++ b/reactos/ntoskrnl/kdbg/kdb_cli.c
@@ -411,10 +411,7 @@ KdbpCmdRegs(ULONG Argc, PCHAR Argv[])
    else if (Argv[0][0] == 'c') /* cregs */
    {
       ULONG Cr0, Cr2, Cr3, Cr4;
-      struct __attribute__((packed)) {
-         USHORT Limit;
-         ULONG Base;
-      } Gdtr, Ldtr, Idtr;
+      KDESCRIPTOR Gdtr, Ldtr, Idtr;
       ULONG Tr;
       STATIC CONST PCHAR Cr0Bits[32] = { " PE", " MP", " EM", " TS", " ET", " NE", NULL, NULL,
                                          NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
@@ -431,9 +428,9 @@ KdbpCmdRegs(ULONG Argc, PCHAR Argv[])
       Cr4 = KdbCurrentTrapFrame->Cr4;
 
       /* Get descriptor table regs */
-      asm volatile("sgdt %0" : : "m"(Gdtr));
-      asm volatile("sldt %0" : : "m"(Ldtr));
-      asm volatile("sidt %0" : : "m"(Idtr));
+      asm volatile("sgdt %0" : : "m"(Gdtr.Limit));
+      asm volatile("sldt %0" : : "m"(Ldtr.Limit));
+      asm volatile("sidt %0" : : "m"(Idtr.Limit));
 
       /* Get the task register */
       asm volatile("str %0" : "=g"(Tr));