diff --git a/osc.asd b/osc.asd
index faae64b..d1bac42 100644
--- a/osc.asd
+++ b/osc.asd
@@ -2,10 +2,9 @@
 
 (in-package #:cl-user)
 
-(defsystem osc
-    :name "osc"
-    :author "nik gaffney <nik@fo.am>"
-    :licence "GPL v3"
-    :description "The Open Sound Control protocol, aka OSC"
-    :version "1.0.0"
-    :components ((:file "osc")))
+(asdf:defsystem "osc"
+  :author "nik gaffney <nik@fo.am>"
+  :licence "GPL v3"
+  :description "The Open Sound Control protocol, aka OSC"
+  :version "1.0.0"
+  :components ((:file "osc")))