diff --git a/server/AyaNova/Startup.cs b/server/AyaNova/Startup.cs
index ad56a82d..5f3971e9 100644
--- a/server/AyaNova/Startup.cs
+++ b/server/AyaNova/Startup.cs
@@ -174,7 +174,7 @@ namespace AyaNova
                 options.AddPolicy("CorsPolicy",
                     builder => builder.AllowAnyOrigin()
                     .AllowAnyMethod()
-                    .AllowAnyHeader()
+                    .AllowAnyHeader().SetPreflightMaxAge(TimeSpan.FromSeconds(1800))
                     //.AllowCredentials()
                     );
             });