diff --git a/xtoskrnl/ar/amd64/cpufunc.c b/xtoskrnl/ar/amd64/cpufunc.c
index b65b0417..b38eeec1 100644
--- a/xtoskrnl/ar/amd64/cpufunc.c
+++ b/xtoskrnl/ar/amd64/cpufunc.c
@@ -93,7 +93,7 @@ XTCDECL
 ULONG
 ArGetCpuFlags(VOID)
 {
-    ULONG Flags;
+    ULONG_PTR Flags;
 
     /* Get RFLAGS register */
     asm volatile("pushf\n"
diff --git a/xtoskrnl/ar/i686/cpufunc.c b/xtoskrnl/ar/i686/cpufunc.c
index 2072a369..17aeba40 100644
--- a/xtoskrnl/ar/i686/cpufunc.c
+++ b/xtoskrnl/ar/i686/cpufunc.c
@@ -93,7 +93,7 @@ XTCDECL
 ULONG
 ArGetCpuFlags(VOID)
 {
-    ULONG Flags;
+    ULONG_PTR Flags;
 
     /* Get EFLAGS register */
     asm volatile("pushf\n"