diff --git a/sys/dev/fdt/simplebus.c b/sys/dev/fdt/simplebus.c
index bf6fceb48a9..71ba8a0a1f7 100644
--- a/sys/dev/fdt/simplebus.c
+++ b/sys/dev/fdt/simplebus.c
@@ -447,9 +447,6 @@ simplebus_alloc_resource(device_t bus, device_t child, int type, int *rid,
 
 	sc = device_get_softc(bus);
 
-	if (type == SYS_RES_IOPORT)
-		type = SYS_RES_MEMORY;
-
 	/*
 	 * Request for the default allocation with a given rid: use resource
 	 * list stored in the local device info.
@@ -470,6 +467,9 @@ simplebus_alloc_resource(device_t bus, device_t child, int type, int *rid,
 		count = rle->count;
         }
 
+	if (type == SYS_RES_IOPORT)
+		type = SYS_RES_MEMORY;
+
 	if (type == SYS_RES_MEMORY) {
 		/* Remap through ranges property */
 		for (j = 0; j < sc->nranges; j++) {