diff --git a/Blog/EditorViewController.m b/Blog/EditorViewController.m
index da7836b..6198eba 100644
--- a/Blog/EditorViewController.m
+++ b/Blog/EditorViewController.m
@@ -393,7 +393,8 @@ static NSString *const StateRestorationModifiedPostKey = @"modifiedPost";
 }
 
 - (IBAction)publishOrUnpublish:(id)sender {
-    MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
+    MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view.window animated:YES];
+    hud.dimBackground = YES;
     BOOL isPublish = self.modifiedPost.draft;
     hud.labelText = isPublish ? @"Publishing" : @"Unpublishing";
     __weak typeof(self) welf = self;
diff --git a/Blog/PostsViewController.m b/Blog/PostsViewController.m
index 846356f..2bda2a5 100644
--- a/Blog/PostsViewController.m
+++ b/Blog/PostsViewController.m
@@ -305,10 +305,10 @@ static const NSUInteger SectionPublished = 1;
 }
 
 - (IBAction)publish:(id)sender {
-    // TODO: activity indicator
     __weak typeof(self) welf = self;
     void (^publish)(NSString *, PMKPromise *) = ^(NSString *message, PMKPromise *promise) {
-        MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
+        MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view.window animated:YES];
+        hud.dimBackground = YES;
         hud.labelText = message;
         typeof(self) self = welf;
         promise.then(^{