diff --git a/sys/i386/isa/wst.c b/sys/i386/isa/wst.c
index 2802f4eb271c..ea0b446e6923 100644
--- a/sys/i386/isa/wst.c
+++ b/sys/i386/isa/wst.c
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: wst.c,v 1.4 1998/03/10 12:00:24 sos Exp sos $
+ *	$Id: wst.c,v 1.2 1998/03/17 10:45:18 sos Exp $
  */
 
 #include "wdc.h"
@@ -371,12 +371,12 @@ wstclose(dev_t dev, int flags, int fmt, struct proc *p)
     int lun = UNIT(dev);
     struct wst *t = wsttab[lun];
 
-    /* Flush buffers, some drives fail here, but they report ctl = 0 */
+    /* Flush buffers, some drives fail here, but they should report ctl = 0 */
     if (t->cap.ctl)
         wst_write_filemark(t, 0);
 
     /* Write filemark if data written to tape */
-    if (t->flags & (WST_DATA_WRITTEN || WST_FM_WRITTEN) == WST_DATA_WRITTEN)
+    if (t->flags & (WST_DATA_WRITTEN | WST_FM_WRITTEN) == WST_DATA_WRITTEN)
         wst_write_filemark(t, WEOF_WRITE_MASK);
 
     /* If minor is even rewind on close */
diff --git a/sys/pc98/pc98/wst.c b/sys/pc98/pc98/wst.c
index 2802f4eb271c..ea0b446e6923 100644
--- a/sys/pc98/pc98/wst.c
+++ b/sys/pc98/pc98/wst.c
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: wst.c,v 1.4 1998/03/10 12:00:24 sos Exp sos $
+ *	$Id: wst.c,v 1.2 1998/03/17 10:45:18 sos Exp $
  */
 
 #include "wdc.h"
@@ -371,12 +371,12 @@ wstclose(dev_t dev, int flags, int fmt, struct proc *p)
     int lun = UNIT(dev);
     struct wst *t = wsttab[lun];
 
-    /* Flush buffers, some drives fail here, but they report ctl = 0 */
+    /* Flush buffers, some drives fail here, but they should report ctl = 0 */
     if (t->cap.ctl)
         wst_write_filemark(t, 0);
 
     /* Write filemark if data written to tape */
-    if (t->flags & (WST_DATA_WRITTEN || WST_FM_WRITTEN) == WST_DATA_WRITTEN)
+    if (t->flags & (WST_DATA_WRITTEN | WST_FM_WRITTEN) == WST_DATA_WRITTEN)
         wst_write_filemark(t, WEOF_WRITE_MASK);
 
     /* If minor is even rewind on close */