diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 9f4e67ee1eb0628917155e99c31810bcbb4a6404..b91accf12656581066811fa68c18e78cfb655018 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -664,7 +664,7 @@ static int pt_open(struct inode *inode, struct file *file)
 		goto out;
 
 	err = -EROFS;
-	if ((!tape->flags & PT_WRITE_OK) && (file->f_mode & 2))
+	if ((!(tape->flags & PT_WRITE_OK)) && (file->f_mode & 2))
 		goto out;
 
 	if (!(iminor(inode) & 128))