diff --git a/app/app.nix b/app/app.nix
index 8fb0a0b965..db59add00a 100644
--- a/app/app.nix
+++ b/app/app.nix
@@ -50,7 +50,7 @@ _: {
               cd app/
 
               npm install
-              npm run dev
+              npm run dev -- --host
             '';
           };
         };