diff --git a/projects/ksr-express/src/ksr_express/Engine.kiss b/projects/ksr-express/src/ksr_express/Engine.kiss
index 48aa57de..fa47434d 100644
--- a/projects/ksr-express/src/ksr_express/Engine.kiss
+++ b/projects/ksr-express/src/ksr_express/Engine.kiss
@@ -10,7 +10,7 @@
         &mut :Dynamic connection null]
     (let [app (Express.call)
             port 3000]
-        (app.use (Express.static_.call (#if STATIC_DIR (#value STATIC_DIR) (Sys.getCwd))))
+        (app.use (Express.static_.call (#if STATIC_DIR (#value "STATIC_DIR") (Sys.getCwd))))
         (app.get "/" ->[req :Dynamic res next]
             (res.send content))
         (app.get "/image/:path" ->[:Dynamic req :Dynamic res next]