1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/sonet.h b/include/linux/sonet.h
index 753680296e17..67ad11fcf88b 100644
--- a/include/linux/sonet.h
+++ b/include/linux/sonet.h
@@ -34,7 +34,7 @@ struct sonet_stats {
                                         /* clear error insertion */
 #define SONET_GETDIAG   _IOR('a',ATMIOC_PHYTYP+4,int)
                                         /* query error insertion */
-#define SONET_SETFRAMING _IO('a',ATMIOC_PHYTYP+5)
+#define SONET_SETFRAMING _IOW('a',ATMIOC_PHYTYP+5,int)
                                         /* set framing mode (SONET/SDH) */
 #define SONET_GETFRAMING _IOR('a',ATMIOC_PHYTYP+6,int)
                                         /* get framing mode */