diff --git a/src/PortAudio.jl b/src/PortAudio.jl
index e813f52..a1029f1 100644
--- a/src/PortAudio.jl
+++ b/src/PortAudio.jl
@@ -2,6 +2,8 @@
 
 module PortAudio
 
+export init, deinit, play_sin, stop_sin
+
 typealias PaTime Cdouble
 typealias PaError Cint
 typealias PaSampleFormat Culong