diff --git a/main.go b/main.go
index 4f96ac8..b4620a0 100644
--- a/main.go
+++ b/main.go
@@ -34,6 +34,8 @@ func main() {
 	}
 	defer C.projectm_destroy(handle)
 
+	C.projectm_set_window_size(handle, 800, 600)
+
 	surface, err := window.GetSurface()
 	if err != nil {
 		panic(err)