diff --git a/lib/apiaction.php b/lib/apiaction.php
index dcce18ef27..0b539bb397 100644
--- a/lib/apiaction.php
+++ b/lib/apiaction.php
@@ -412,7 +412,7 @@ class ApiAction extends Action
     {
         $twitter_group = array();
 
-        $twitter_group['id'] = $group->id;
+        $twitter_group['id'] = intval($group->id);
         $twitter_group['url'] = $group->permalink();
         $twitter_group['nickname'] = $group->nickname;
         $twitter_group['fullname'] = $group->fullname;
@@ -561,7 +561,7 @@ class ApiAction extends Action
 
         $details['notifications_enabled'] = $notifications;
         $details['blocking'] = $source->hasBlocked($target);
-        $details['id'] = $source->id;
+        $details['id'] = intval($source->id);
 
         return $details;
     }
@@ -945,10 +945,10 @@ class ApiAction extends Action
         $from_profile = $message->getFrom();
         $to_profile = $message->getTo();
 
-        $dmsg['id'] = $message->id;
-        $dmsg['sender_id'] = $message->from_profile;
+        $dmsg['id'] = intval($message->id);
+        $dmsg['sender_id'] = intval($from_profile);
         $dmsg['text'] = trim($message->content);
-        $dmsg['recipient_id'] = $message->to_profile;
+        $dmsg['recipient_id'] = intval($to_profile);
         $dmsg['created_at'] = $this->dateTwitter($message->created);
         $dmsg['sender_screen_name'] = $from_profile->nickname;
         $dmsg['recipient_screen_name'] = $to_profile->nickname;