diff --git a/sys/dev/ips/ips.c b/sys/dev/ips/ips.c
index 4d6d1fd0c35b..bd329d60e37f 100644
--- a/sys/dev/ips/ips.c
+++ b/sys/dev/ips/ips.c
@@ -248,7 +248,7 @@ static int ips_diskdev_init(ips_softc_t *sc)
 	for(i=0; i < IPS_MAX_NUM_DRIVES; i++){
 		if(sc->drives[i].state & IPS_LD_OKAY){
 			sc->diskdev[i] = device_add_child(sc->dev, NULL, -1);
-			device_set_ivars(sc->diskdev[i],(void *) i);
+			device_set_ivars(sc->diskdev[i],(void *)(uintptr_t) i);
 		}
 	}
 	if(bus_generic_attach(sc->dev)){
diff --git a/sys/dev/ips/ips_commands.c b/sys/dev/ips/ips_commands.c
index 7efb56c95b8b..bcdb92567b0c 100644
--- a/sys/dev/ips/ips_commands.c
+++ b/sys/dev/ips/ips_commands.c
@@ -97,7 +97,7 @@ static void ips_io_request_callback(void *cmdptr, bus_dma_segment_t *segments,in
 	}
 	command_struct = (ips_io_cmd *)command->command_buffer;
 	command_struct->id = command->id;
-	command_struct->drivenum = (uint32_t)iobuf->bio_driver1;
+	command_struct->drivenum = (uintptr_t)iobuf->bio_driver1;
 	if(segnum != 1){
 		if(ips_read_request(iobuf))
 			cmdtype = IPS_SG_READ_CMD;
diff --git a/sys/dev/ips/ips_disk.c b/sys/dev/ips/ips_disk.c
index bbeaf9f6b837..2ea2c76a6353 100644
--- a/sys/dev/ips/ips_disk.c
+++ b/sys/dev/ips/ips_disk.c
@@ -97,7 +97,7 @@ static void ipsd_strategy(struct bio *iobuf)
 
 	dsc = iobuf->bio_disk->d_drv1;	
 	DEVICE_PRINTF(8,dsc->dev,"in strategy\n");
-	(uint32_t)iobuf->bio_driver1 = dsc->sc->drives[dsc->disk_number].drivenum;
+	iobuf->bio_driver1 = (void *)(uintptr_t)dsc->sc->drives[dsc->disk_number].drivenum;
 	ips_start_io_request(dsc->sc, iobuf);
 }
 
@@ -122,7 +122,7 @@ static int ipsd_attach(device_t dev)
 	dsc->dev = dev;
 	dsc->sc = device_get_softc(adapter);
 	dsc->unit = device_get_unit(dev);
-	dsc->disk_number = (int) device_get_ivars(dev);
+	dsc->disk_number = (uintptr_t) device_get_ivars(dev);
 	dsc->ipsd_disk.d_drv1 = dsc;
 	dsc->ipsd_disk.d_name = "ipsd";
 	dsc->ipsd_disk.d_maxsize = IPS_MAX_IO_SIZE;