diff --git a/IdentityServer/v7/Quickstarts/3_AspNetCoreAndApis/src/WebClient/Pages/CallApi.cshtml.cs b/IdentityServer/v7/Quickstarts/3_AspNetCoreAndApis/src/WebClient/Pages/CallApi.cshtml.cs
index a62d0dd..28e4b28 100644
--- a/IdentityServer/v7/Quickstarts/3_AspNetCoreAndApis/src/WebClient/Pages/CallApi.cshtml.cs
+++ b/IdentityServer/v7/Quickstarts/3_AspNetCoreAndApis/src/WebClient/Pages/CallApi.cshtml.cs
@@ -6,7 +6,7 @@
 namespace MyApp.Namespace
 {
 
-    public class CallApiModel() : PageModel
+    public class CallApiModel : PageModel
     {
         public string Json = string.Empty;