diff --git a/arch/x86_64/kernel/ioport.c b/arch/x86_64/kernel/ioport.c
index fe063d3cfe42b7ff8c09184cd6986492cce01eeb..745b1f0f494ecdaa2dffce605549c127a52df567 100644
--- a/arch/x86_64/kernel/ioport.c
+++ b/arch/x86_64/kernel/ioport.c
@@ -114,6 +114,6 @@ asmlinkage long sys_iopl(unsigned int level, struct pt_regs *regs)
 		if (!capable(CAP_SYS_RAWIO))
 			return -EPERM;
 	}
-	regs->eflags = (regs->eflags &~ 0x3000UL) | (level << 12);
+	regs->eflags = (regs->eflags &~ X86_EFLAGS_IOPL) | (level << 12);
 	return 0;
 }