diff --git a/sys/pccard/pccard_nbk.c b/sys/pccard/pccard_nbk.c
index e138cce3f6fe..cb4d33f7ef32 100644
--- a/sys/pccard/pccard_nbk.c
+++ b/sys/pccard/pccard_nbk.c
@@ -297,7 +297,7 @@ pccard_release_resource(device_t bus, device_t child, int type, int rid,
 }
 
 static int
-pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
+pccard_read_ivar(device_t bus, device_t child, int which, uintptr_t *result)
 {
 	struct pccard_devinfo *devi = PCCARD_DEVINFO(child);
 	
diff --git a/sys/pccard/pcicvar.h b/sys/pccard/pcicvar.h
index ff986c95d21f..79d65a8d9c52 100644
--- a/sys/pccard/pcicvar.h
+++ b/sys/pccard/pcicvar.h
@@ -33,8 +33,8 @@ struct pcic_slot {
 	char revision;			/* Device Revision */
 	struct slot *slt;		/* Back ptr to slot */
 	struct pcic_softc *sc;		/* Back pointer to softc */
-	u_char (*getb)(struct pcic_slot *, int);
-	void   (*putb)(struct pcic_slot *, int, u_char);
+	u_int8_t (*getb)(struct pcic_slot *, int);
+	void   (*putb)(struct pcic_slot *, int, u_int8_t);
 	bus_space_tag_t bst;
 	bus_space_handle_t bsh;
 	driver_intr_t *intr;