diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 47f1c53332ce60faba13dda38c0a36c84c25d451..483050c924c305038a96cbcc4985f3f25b3cfe42 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -62,7 +62,7 @@ enum
 	CTL_KERN=1,		/* General kernel info and control */
 	CTL_VM=2,		/* VM management */
 	CTL_NET=3,		/* Networking */
-	/* was CTL_PROC */
+	CTL_PROC=4,		/* removal breaks strace(1) compilation */
 	CTL_FS=5,		/* Filesystems */
 	CTL_DEBUG=6,		/* Debugging */
 	CTL_DEV=7,		/* Devices */