diff --git a/include/uapi/linux/ppp-ioctl.h b/include/uapi/linux/ppp-ioctl.h
index 8dbecb3ad03684f69b14b4b2b7637a3d73e9f690..1cc5ce0ae062ec179d7badb3c9006dbef689cb21 100644
--- a/include/uapi/linux/ppp-ioctl.h
+++ b/include/uapi/linux/ppp-ioctl.h
@@ -116,7 +116,7 @@ struct pppol2tp_ioc_stats {
 #define PPPIOCGCHAN	_IOR('t', 55, int)	/* get ppp channel number */
 #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats)
 #define PPPIOCBRIDGECHAN _IOW('t', 53, int)	/* bridge one channel to another */
-#define PPPIOCUNBRIDGECHAN _IO('t', 54)	/* unbridge channel */
+#define PPPIOCUNBRIDGECHAN _IO('t', 52)	/* unbridge channel */
 
 #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
 #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)	/* NEVER change this!! */