diff --git a/samples/objc/FirebaseUI-demo-objc/Samples/Auth/FUIAuthViewController.m b/samples/objc/FirebaseUI-demo-objc/Samples/Auth/FUIAuthViewController.m
index 08bf728dcdc..7a009568c92 100644
--- a/samples/objc/FirebaseUI-demo-objc/Samples/Auth/FUIAuthViewController.m
+++ b/samples/objc/FirebaseUI-demo-objc/Samples/Auth/FUIAuthViewController.m
@@ -423,7 +423,7 @@ + (NSArray *)getListOfIDPs:(NSArray<NSIndexPath *> *)selectedRows
               NSLog(@"Warning: Unable to find microsoft icon.");
             }
             provider = [[FUIOAuth alloc] initWithAuthUI:[FUIAuth defaultAuthUI]
-                                             providerID:@"hotmail.com"
+                                             providerID:@"microsoft.com"
                                         buttonLabelText:@"Sign in with Microsoft"
                                             buttonColor:buttonColor
                                               iconImage:[UIImage imageWithContentsOfFile:iconPath]