diff --git a/unix/syscall_solaris.go b/unix/syscall_solaris.go
index fcc0e10f..fee6e995 100644
--- a/unix/syscall_solaris.go
+++ b/unix/syscall_solaris.go
@@ -554,7 +554,7 @@ func Minor(dev uint64) uint32 {
 
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)
 
-func IoctlSetTermio(fd int, req uint, value *Termio) (err error) {
+func IoctlSetTermio(fd int, req uint, value *Termio) error {
 	err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 	runtime.KeepAlive(value)
 	return err