diff --git a/sys/pc98/cbus/fdc.c b/sys/pc98/cbus/fdc.c
index e8b85c3758e..483a98216d2 100644
--- a/sys/pc98/cbus/fdc.c
+++ b/sys/pc98/cbus/fdc.c
@@ -3248,7 +3248,7 @@ fdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
 		fdt = fd->ft;
 		lp->d_secpercyl = fdt->size / fdt->tracks;
 		lp->d_type = DTYPE_FLOPPY;
-		if (readdisklabel(dkmodpart(dev, RAW_PART), lp) != NULL)
+		if (readdisklabel(dev, lp) != NULL)
 			error = EINVAL;
 		else
 			*(struct disklabel *)addr = *lp;
diff --git a/sys/pc98/pc98/fd.c b/sys/pc98/pc98/fd.c
index e8b85c3758e..483a98216d2 100644
--- a/sys/pc98/pc98/fd.c
+++ b/sys/pc98/pc98/fd.c
@@ -3248,7 +3248,7 @@ fdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
 		fdt = fd->ft;
 		lp->d_secpercyl = fdt->size / fdt->tracks;
 		lp->d_type = DTYPE_FLOPPY;
-		if (readdisklabel(dkmodpart(dev, RAW_PART), lp) != NULL)
+		if (readdisklabel(dev, lp) != NULL)
 			error = EINVAL;
 		else
 			*(struct disklabel *)addr = *lp;