diff --git a/libc/kernel/uapi/linux/pcitest.h b/libc/kernel/uapi/linux/pcitest.h
index 2e8e761..38e498d 100644
--- a/libc/kernel/uapi/linux/pcitest.h
+++ b/libc/kernel/uapi/linux/pcitest.h
@@ -7,7 +7,8 @@
 #ifndef __UAPI_LINUX_PCITEST_H
 #define __UAPI_LINUX_PCITEST_H
 #define PCITEST_BAR _IO('P', 0x1)
-#define PCITEST_LEGACY_IRQ _IO('P', 0x2)
+#define PCITEST_INTX_IRQ _IO('P', 0x2)
+#define PCITEST_LEGACY_IRQ PCITEST_INTX_IRQ
 #define PCITEST_MSI _IOW('P', 0x3, int)
 #define PCITEST_WRITE _IOW('P', 0x4, unsigned long)
 #define PCITEST_READ _IOW('P', 0x5, unsigned long)