diff --git a/sys/dev/agp/agp.c b/sys/dev/agp/agp.c
index d074f1801328..b44cfc94a31b 100644
--- a/sys/dev/agp/agp.c
+++ b/sys/dev/agp/agp.c
@@ -253,9 +253,10 @@ int
 agp_generic_detach(device_t dev)
 {
 	struct agp_softc *sc = device_get_softc(dev);
+
+	destroy_dev(sc->as_devnode);
 	bus_release_resource(dev, SYS_RES_MEMORY, AGP_APBASE, sc->as_aperture);
 	mtx_destroy(&sc->as_lock);
-	destroy_dev(sc->as_devnode);
 	agp_flush_cache();
 	return 0;
 }
diff --git a/sys/pci/agp.c b/sys/pci/agp.c
index d074f1801328..b44cfc94a31b 100644
--- a/sys/pci/agp.c
+++ b/sys/pci/agp.c
@@ -253,9 +253,10 @@ int
 agp_generic_detach(device_t dev)
 {
 	struct agp_softc *sc = device_get_softc(dev);
+
+	destroy_dev(sc->as_devnode);
 	bus_release_resource(dev, SYS_RES_MEMORY, AGP_APBASE, sc->as_aperture);
 	mtx_destroy(&sc->as_lock);
-	destroy_dev(sc->as_devnode);
 	agp_flush_cache();
 	return 0;
 }