diff --git a/samples/IdentitySample.Mvc/Controllers/AccountController.cs b/samples/IdentitySample.Mvc/Controllers/AccountController.cs
index 82c85a75a..24e3aa475 100644
--- a/samples/IdentitySample.Mvc/Controllers/AccountController.cs
+++ b/samples/IdentitySample.Mvc/Controllers/AccountController.cs
@@ -148,7 +148,7 @@ public IActionResult ExternalLogin(string provider, string returnUrl = null)
             // Request a redirect to the external login provider.
             var redirectUrl = Url.Action("ExternalLoginCallback", "Account", new { ReturnUrl = returnUrl });
             var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
-            return Challenge(provider, properties);
+            return Challenge(properties, provider);
         }
 
         //
diff --git a/samples/IdentitySample.Mvc/Controllers/ManageController.cs b/samples/IdentitySample.Mvc/Controllers/ManageController.cs
index 256b33e75..3d3f5146c 100644
--- a/samples/IdentitySample.Mvc/Controllers/ManageController.cs
+++ b/samples/IdentitySample.Mvc/Controllers/ManageController.cs
@@ -294,7 +294,7 @@ public IActionResult LinkLogin(string provider)
             // Request a redirect to the external login provider to link a login for the current user
             var redirectUrl = Url.Action("LinkLoginCallback", "Manage");
             var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl, _userManager.GetUserId(User));
-            return Challenge(provider, properties);
+            return Challenge(properties, provider);
         }
 
         //