diff --git a/main.go b/main.go
index 758680d..3bd84a1 100644
--- a/main.go
+++ b/main.go
@@ -25,13 +25,12 @@ var sidewalk_data []byte
 
 var buildInfoJSON []byte
 
-const DEVEL = false // serve files from dev dir, not embedded, so I don't have to rebuild the app every time
-
 func main() {
+	devel := flag.Bool("devel", false, "Serve from ./static instead of embedded")
 	port := flag.Int("port", 8000, "Port to listen on")
 	flag.Parse()
 
-	if DEVEL {
+	if *devel {
 		http.Handle("GET /", http.FileServer(http.Dir("./static")))
 	} else {
 		frontend, err := fs.Sub(embeddedFiles, "static")