diff --git a/sbin/fsck_ffs/fsck.h b/sbin/fsck_ffs/fsck.h
index 8091d0f9a370..4e30a7e6393b 100644
--- a/sbin/fsck_ffs/fsck.h
+++ b/sbin/fsck_ffs/fsck.h
@@ -268,7 +268,7 @@ char	snapname[BUFSIZ];	/* when doing snapshots, the name of the file */
 char	*cdevname;		/* name of device being checked */
 long	dev_bsize;		/* computed value of DEV_BSIZE */
 long	secsize;		/* actual disk sector size */
-long	real_dev_bsize;
+u_int	real_dev_bsize;		/* actual disk sector size, not overriden */
 char	nflag;			/* assume a no response */
 char	yflag;			/* assume a yes response */
 int	bkgrdflag;		/* use a snapshot to run on an active system */
diff --git a/sbin/fsck_ffs/suj.c b/sbin/fsck_ffs/suj.c
index ec8b5ab4729a..b784519062b2 100644
--- a/sbin/fsck_ffs/suj.c
+++ b/sbin/fsck_ffs/suj.c
@@ -206,7 +206,7 @@ opendisk(const char *devnam)
 	    &real_dev_bsize) == -1)
 		real_dev_bsize = secsize;
 	if (debug)
-		printf("dev_bsize %ld\n", real_dev_bsize);
+		printf("dev_bsize %u\n", real_dev_bsize);
 }
 
 /*