diff --git a/unix/syscall_zos_s390x.go b/unix/syscall_zos_s390x.go
index cca890876..44db49e31 100644
--- a/unix/syscall_zos_s390x.go
+++ b/unix/syscall_zos_s390x.go
@@ -777,7 +777,6 @@ func MunmapPtr(addr unsafe.Pointer, length uintptr) (err error) {
 	return mapper.munmap(uintptr(addr), length)
 }
 
-
 //sys   Gethostname(buf []byte) (err error) = SYS___GETHOSTNAME_A
 //sysnb	Getgid() (gid int)
 //sysnb	Getpid() (pid int)
@@ -3142,7 +3141,7 @@ func Fcntl(fd uintptr, cmd int, op interface{}) (ret int, err error) {
 	case *Flock_t:
 		err = FcntlFlock(fd, cmd, op.(*Flock_t))
 		if err != nil {
-                    ret = -1
+			ret = -1
 		}
 		return
 	case int:
diff --git a/unix/syscall_zos_test.go b/unix/syscall_zos_test.go
index e496893e3..a77d60e91 100644
--- a/unix/syscall_zos_test.go
+++ b/unix/syscall_zos_test.go
@@ -3844,9 +3844,7 @@ func TestTty(t *testing.T) {
 		t.Fatalf("Open %s %+v\n", sname, err)
 	}
 	if _, err = unix.Fcntl(uintptr(ptsfd), unix.F_CONTROL_CVT, &cvtreq); err != nil {
-
 		t.Fatalf("fcntl F_CONTROL_CVT ptsfd %+v\n", err)
-
 	}
 
 	tt := os.NewFile(uintptr(ptsfd), sname)
@@ -3871,7 +3869,5 @@ func TestTty(t *testing.T) {
 
 	if !bytes.Equal(text, buffer[:n]) {
 		t.Fatalf("Expected %+v, read %+v\n", text, buffer[:n])
-
 	}
-
 }
diff --git a/unix/ztypes_zos_s390x.go b/unix/ztypes_zos_s390x.go
index 8c4d053e8..2e5d5a443 100644
--- a/unix/ztypes_zos_s390x.go
+++ b/unix/ztypes_zos_s390x.go
@@ -378,9 +378,9 @@ type Flock_t struct {
 }
 
 type F_cnvrt struct {
-       Cvtcmd int32
-       Pccsid int16
-       Fccsid int16
+	Cvtcmd int32
+	Pccsid int16
+	Fccsid int16
 }
 
 type Termios struct {