diff --git a/src/Zengenti.Contensis.RequestHandler.Application/Middleware/CallContextService.cs b/src/Zengenti.Contensis.RequestHandler.Application/Middleware/CallContextService.cs
index 4f64aa7..a9f48f2 100644
--- a/src/Zengenti.Contensis.RequestHandler.Application/Middleware/CallContextService.cs
+++ b/src/Zengenti.Contensis.RequestHandler.Application/Middleware/CallContextService.cs
@@ -55,7 +55,7 @@ internal void SetCallContextData(HttpRequest request)
         SetCallContextValueFromRequest(Constants.Headers.LoadBalancerVip, "");
 
         // TODO: remove when we deprecate old nodes delivery api
-        SetCallContextValueFromRequest(Constants.Headers.UseNewNodeService, "false");
+        SetCallContextValueFromRequest(Constants.Headers.UseNewNodeService, "");
 
         void SetCallContextValueFromRequest(string key, string? alternative)
         {