diff --git a/sys/dev/cnw/if_cnw.c b/sys/dev/cnw/if_cnw.c
index 84bdcedcd5c..f8903816243 100644
--- a/sys/dev/cnw/if_cnw.c
+++ b/sys/dev/cnw/if_cnw.c
@@ -1578,7 +1578,7 @@ static int cnw_pccard_detach(dev)
 
 	cnw_stop(sc);
 
-	ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
+	ether_ifdetach(ifp);
 	cnw_free(dev);
 	sc->cnw_gone = 1;