diff --git a/actions/finishremotesubscribe.php b/actions/finishremotesubscribe.php
index 76db887deb..acfacbdc1c 100644
--- a/actions/finishremotesubscribe.php
+++ b/actions/finishremotesubscribe.php
@@ -283,7 +283,7 @@ class FinishremotesubscribeAction extends Action
         $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
         $result = $fetcher->post($req->get_normalized_http_url(),
                                  $req->to_postdata(),
-                                 array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
+                                 array('User-Agent: Laconica/' . LACONICA_VERSION));
 
         common_debug('got result: "'.print_r($result,true).'"', __FILE__);
 
diff --git a/actions/remotesubscribe.php b/actions/remotesubscribe.php
index f727a63b82..7ea7acd6d3 100644
--- a/actions/remotesubscribe.php
+++ b/actions/remotesubscribe.php
@@ -321,8 +321,7 @@ class RemotesubscribeAction extends Action
 
         $result = $fetcher->post($req->get_normalized_http_url(),
                                  $req->to_postdata(),
-                                 array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
-
+                                 array('User-Agent: Laconica/' . LACONICA_VERSION));
         if ($result->status != 200) {
             return null;
         }
diff --git a/lib/omb.php b/lib/omb.php
index 29e14c75f7..befcf4666a 100644
--- a/lib/omb.php
+++ b/lib/omb.php
@@ -206,7 +206,7 @@ function omb_post_notice_keys($notice, $postnoticeurl, $tk, $secret)
 
     $result = $fetcher->post($req->get_normalized_http_url(),
                              $req->to_postdata(),
-                             array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
+                             array('User-Agent: Laconica/' . LACONICA_VERSION));
 
     common_debug('Got HTTP result "'.print_r($result,true).'"', __FILE__);
 
@@ -291,7 +291,7 @@ function omb_update_profile($profile, $remote_profile, $subscription)
     common_debug('postdata = '.$req->to_postdata(), __FILE__);
     $result = $fetcher->post($req->get_normalized_http_url(),
                              $req->to_postdata(),
-                             array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
+                             array('User-Agent: Laconica/' . LACONICA_VERSION));
 
     common_debug('Got HTTP result "'.print_r($result,true).'"', __FILE__);