1 files changed, 1 insertions, 1 deletions
diff --git a/misc/ioctl.c b/misc/ioctl.c
index d07c3d9994..edc27438a4 100644
--- a/misc/ioctl.c
+++ b/misc/ioctl.c
@@ -21,7 +21,7 @@
 /* Perform the I/O control operation specified by REQUEST on FD.
    The actual type and use of ARG and the return value depend on REQUEST.  */
 int
-__ioctl (int fd, unsigned long int request)
+__ioctl (int fd, unsigned long int request, ...)
 {
   __set_errno (ENOSYS);
   return -1;