diff --git a/sys/dev/ncv/ncr53c500_pccard.c b/sys/dev/ncv/ncr53c500_pccard.c
index 4a79f75f7b5..b5e21c30774 100644
--- a/sys/dev/ncv/ncr53c500_pccard.c
+++ b/sys/dev/ncv/ncr53c500_pccard.c
@@ -198,7 +198,7 @@ ncv_alloc_resource(DEVPORT_PDEVICE dev)
 
 	sc->mem_rid = 0;
 	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
-					 0, ~0, msize, RF_ACTIVE);
+					 0, ~0, 1, RF_ACTIVE);
 	if (sc->mem_res == NULL) {
 		ncv_release_resource(dev);
 		return(ENOMEM);
diff --git a/sys/dev/nsp/nsp_pccard.c b/sys/dev/nsp/nsp_pccard.c
index c024dc805c1..ecdf82176b8 100644
--- a/sys/dev/nsp/nsp_pccard.c
+++ b/sys/dev/nsp/nsp_pccard.c
@@ -175,7 +175,7 @@ nsp_alloc_resource(DEVPORT_PDEVICE dev)
 
 	sc->mem_rid = 0;
 	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
-					 0, ~0, msize, RF_ACTIVE);
+					 0, ~0, 1, RF_ACTIVE);
 	if (sc->mem_res == NULL) {
 		nsp_release_resource(dev);
 		return(ENOMEM);
diff --git a/sys/dev/stg/tmc18c30_isa.c b/sys/dev/stg/tmc18c30_isa.c
index 21e9361d4a6..97fea9c426a 100644
--- a/sys/dev/stg/tmc18c30_isa.c
+++ b/sys/dev/stg/tmc18c30_isa.c
@@ -149,7 +149,7 @@ stg_alloc_resource(device_t dev)
 
 	sc->mem_rid = 0;
 	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
-					 0, ~0, msize, RF_ACTIVE);
+					 0, ~0, 1, RF_ACTIVE);
 	if (sc->mem_res == NULL) {
 		stg_release_resource(dev);
 		return(ENOMEM);
diff --git a/sys/dev/stg/tmc18c30_pccard.c b/sys/dev/stg/tmc18c30_pccard.c
index 8a282b1bef9..f665dc271f7 100644
--- a/sys/dev/stg/tmc18c30_pccard.c
+++ b/sys/dev/stg/tmc18c30_pccard.c
@@ -174,7 +174,7 @@ stg_alloc_resource(DEVPORT_PDEVICE dev)
 
 	sc->mem_rid = 0;
 	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
-					 0, ~0, msize, RF_ACTIVE);
+					 0, ~0, 1, RF_ACTIVE);
 	if (sc->mem_res == NULL) {
 		stg_release_resource(dev);
 		return(ENOMEM);