diff --git a/resources/leiningen/new/simple_web_app/src/root_ns/server.clj b/resources/leiningen/new/simple_web_app/src/root_ns/server.clj
index d4a5d2d..ee6de17 100644
--- a/resources/leiningen/new/simple_web_app/src/root_ns/server.clj
+++ b/resources/leiningen/new/simple_web_app/src/root_ns/server.clj
@@ -190,4 +190,6 @@
   [& args]
   (log/info "<%name%> is starting up ...")
   (mount/start-with-args args)
+  (when (:dev? config)
+    (log/warn "*** Running in development mode! ***"))
   (log/info "Ready!"))