diff --git a/actions/disfavor.php b/actions/disfavor.php
index 09b3bf18d3..90bab3ccae 100644
--- a/actions/disfavor.php
+++ b/actions/disfavor.php
@@ -89,7 +89,7 @@ class DisfavorAction extends Action
         }
         $user->blowFavesCache();
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml;charset=utf-8', true);
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Add to favorites'));
             $this->elementEnd('head');
diff --git a/actions/favor.php b/actions/favor.php
index 8ecde4b116..3940df6888 100644
--- a/actions/favor.php
+++ b/actions/favor.php
@@ -89,7 +89,7 @@ class FavorAction extends Action
         $this->notify($notice, $user);
         $user->blowFavesCache();
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml;charset=utf-8', true);
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Disfavor favorite'));
             $this->elementEnd('head');
diff --git a/actions/newnotice.php b/actions/newnotice.php
index 572adbb239..5142cb5ff2 100644
--- a/actions/newnotice.php
+++ b/actions/newnotice.php
@@ -161,7 +161,7 @@ class NewnoticeAction extends Action
         common_broadcast_notice($notice);
 
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml;charset=utf-8', true);
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Notice posted'));
             $this->elementEnd('head');
diff --git a/actions/nudge.php b/actions/nudge.php
index ca7947f5a2..bc3d484788 100644
--- a/actions/nudge.php
+++ b/actions/nudge.php
@@ -89,7 +89,7 @@ class NudgeAction extends Action
         $this->notify($user, $other);
 
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml;charset=utf-8', true);
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Nudge sent'));
             $this->elementEnd('head');
diff --git a/actions/subscribe.php b/actions/subscribe.php
index 171332734e..f761992de4 100644
--- a/actions/subscribe.php
+++ b/actions/subscribe.php
@@ -64,7 +64,7 @@ class SubscribeAction extends Action
         }
 
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml;charset=utf-8', true);
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Subscribed'));
             $this->elementEnd('head');
diff --git a/actions/tagother.php b/actions/tagother.php
index 9b06cb43e0..cbace5b6b5 100644
--- a/actions/tagother.php
+++ b/actions/tagother.php
@@ -203,7 +203,7 @@ class TagotherAction extends Action
         $action = $user->isSubscribed($this->profile) ? 'subscriptions' : 'subscribers';
 
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml');
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Tags'));
             $this->elementEnd('head');
diff --git a/actions/unsubscribe.php b/actions/unsubscribe.php
index f9dd6f8212..b1e2b64256 100644
--- a/actions/unsubscribe.php
+++ b/actions/unsubscribe.php
@@ -66,7 +66,7 @@ class UnsubscribeAction extends Action
         }
 
         if ($this->boolean('ajax')) {
-            $this->startHTML('text/xml;charset=utf-8', true);
+            $this->startHTML('text/xml;charset=utf-8');
             $this->elementStart('head');
             $this->element('title', null, _('Unsubscribed'));
             $this->elementEnd('head');