diff --git a/sys/dev/pccard/pccardvar.h b/sys/dev/pccard/pccardvar.h
index 8806349facd..d25091c674f 100644
--- a/sys/dev/pccard/pccardvar.h
+++ b/sys/dev/pccard/pccardvar.h
@@ -61,7 +61,8 @@ struct pccard_mem_handle {
 	bus_addr_t      addr;		/* resulting address in bus space */
 	bus_size_t      size;		/* size of mem space */
 	bus_size_t      realsize;	/* how much we really allocated */
-	long		offset;
+	long		offset;		/* mapped Offset on card */
+	bus_addr_t	cardaddr;	/* Absolute address on card */
 	int		kind;
 };