diff --git a/PxWeb/Program.cs b/PxWeb/Program.cs
index 3066e3b6..ebed6868 100644
--- a/PxWeb/Program.cs
+++ b/PxWeb/Program.cs
@@ -197,7 +197,7 @@ public static void Main(string[] args)
                 app.UseIpRateLimiting();
             }
 
-            app.UseWhen(context => !context.Request.Path.StartsWithSegments(pxApiConfiguration.RoutePrefix + "/admin") || context.Request.Path.StartsWithSegments("/admin"), appBuilder =>
+            app.UseWhen(context => !(context.Request.Path.StartsWithSegments(pxApiConfiguration.RoutePrefix + "/admin") || context.Request.Path.StartsWithSegments("/admin")), appBuilder =>
             {
                 appBuilder.UseCacheMiddleware();
             });