1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/xen/events.c b/arch/x86/xen/events.c
index 6d1da5809e6f..aebab9704dd7 100644
--- a/arch/x86/xen/events.c
+++ b/arch/x86/xen/events.c
@@ -487,7 +487,7 @@ fastcall void xen_evtchn_do_upcall(struct pt_regs *regs)
                         int irq = evtchn_to_irq[port];
 
                         if (irq != -1) {
-                                regs->orig_eax = ~irq;
+                                regs->orig_ax = ~irq;
                                 do_IRQ(regs);
                         }
                 }