diff --git a/src/oeffisearch.nim b/src/oeffisearch.nim
index 362d12c..59cc725 100644
--- a/src/oeffisearch.nim
+++ b/src/oeffisearch.nim
@@ -57,7 +57,9 @@ proc main() =
     port = parseInt(getEnv("PORT"))
 
   let server = newAsyncHttpServer()
-  initFileserver()
+
+  when not defined(release):
+    initFileserver()
 
   echo "starting webserver on port " & $port
   waitFor server.serve(Port(port), handleRequest)