diff --git a/ld48-29.go b/ld48-29.go
index ed9aebd..cdc50f1 100644
--- a/ld48-29.go
+++ b/ld48-29.go
@@ -159,6 +159,17 @@ func drawSprite(texture gl.Texture, x float64, y float64, a float64, list uint)
 // main
 
 func main() {
+    c := make(chan int)
+
+    go renderer(c)
+
+    <-c
+}
+
+
+// renderer
+
+func renderer(c chan int) {
     runtime.LockOSThread()
 
     glfw.SetErrorCallback(onError)
@@ -185,11 +196,10 @@ func main() {
         window.SwapBuffers()
         glfw.PollEvents()
     }
+
+    c <- 1
 }
 
-
-// renderer
-
 func setup() (textures map[string]gl.Texture, lists map[string]uint) {
     gl.Enable(gl.TEXTURE_2D)
     gl.Enable(gl.DEPTH_TEST)