diff --git a/actions/apifriendstimeline.php b/actions/apifriendstimeline.php
index 5205160163..1e88d1c2b4 100644
--- a/actions/apifriendstimeline.php
+++ b/actions/apifriendstimeline.php
@@ -232,7 +232,7 @@ class ApiFriendsTimelineAction extends ApiBareAuthAction
 
             $last = count($this->notices) - 1;
 
-            return implode(
+            return '"' . implode(
                 ':',
                 array($this->arg('action'),
                       common_language(),
diff --git a/actions/apimentions.php b/actions/apimentions.php
index 2b2e27f20d..43e93a9c63 100644
--- a/actions/apimentions.php
+++ b/actions/apimentions.php
@@ -217,7 +217,7 @@ class ApiMentionsAction extends ApiBareAuthAction
 
             $last = count($this->notices) - 1;
 
-            return implode(
+            return '"' . implode(
                 ':',
                 array($this->arg('action'),
                       common_language(),
diff --git a/actions/apipublictimeline.php b/actions/apipublictimeline.php
index 63cb0cbafb..2be979e6dc 100644
--- a/actions/apipublictimeline.php
+++ b/actions/apipublictimeline.php
@@ -191,7 +191,7 @@ class ApiPublicTimelineAction extends TwitterapiAction
 
             $last = count($this->notices) - 1;
 
-            return implode(
+            return '"' . implode(
                 ':',
                 array($this->arg('action'),
                       common_language(),
diff --git a/actions/apiusertimeline.php b/actions/apiusertimeline.php
index 1c69613136..44d69415bd 100644
--- a/actions/apiusertimeline.php
+++ b/actions/apiusertimeline.php
@@ -232,7 +232,7 @@ class ApiUserTimelineAction extends ApiBareAuthAction
 
             $last = count($this->notices) - 1;
 
-            return implode(
+            return '"' . implode(
                 ':',
                 array($this->arg('action'),
                       common_language(),