diff --git a/sys/src/9/boot/nusbrc b/sys/src/9/boot/nusbrc
index 60136d346..c5cc58f0d 100644
--- a/sys/src/9/boot/nusbrc
+++ b/sys/src/9/boot/nusbrc
@@ -8,7 +8,7 @@ if(! nusb/usbd)
 
 @{
 	rfork ne
-	fn dev {
+	fn attach {
 		switch($4){
 		case *03
 			nusb/kb $1
@@ -16,8 +16,8 @@ if(! nusb/usbd)
 			nusb/disk $1
 		}
 	}
-	fn rmdev {
-		rm -f '#σc/usb/'*'-'^$2
+	fn detach {
+		rm '#σc/usb/'*'-'^$1
 	}
 	rc < '#σ/usb/usbevent' &
 }
diff --git a/sys/src/cmd/nusb/usbd/usbd.c b/sys/src/cmd/nusb/usbd/usbd.c
index 2e3c24aeb..0f42245bd 100644
--- a/sys/src/cmd/nusb/usbd/usbd.c
+++ b/sys/src/cmd/nusb/usbd/usbd.c
@@ -208,7 +208,7 @@ formatdev(Dev *d, int type)
 	Usbdev *u;
 	
 	u = d->usb;
-	return smprint("%s %d %.4x %.4x %.8lx\n", type ? "rmdev" : "dev", d->id, u->vid, u->did, u->csp);
+	return smprint("%s %d %.4x %.4x %.8lx\n", type ? "detach" : "attach", d->id, u->vid, u->did, u->csp);
 }
 
 static void