diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index f615eda23..862a75b54 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -1203,7 +1203,10 @@ function pumpio_dopost(App $a, $client, $uid, $self, $post, $own_id, $threadcomp
 			$reply->cc = $post->cc;
 		}
 
-		$reply->to = $post->to;
+		if (isset($post->to)) {
+			$reply->to = $post->to;
+		}
+
 		$reply->object = new stdClass;
 		$reply->object->objectType = $post->object->inReplyTo->objectType;
 		$reply->object->content = $post->object->inReplyTo->content;
@@ -1271,10 +1274,15 @@ function pumpio_dopost(App $a, $client, $uid, $self, $post, $own_id, $threadcomp
 			$share_author = $post->object->author->url;
 		}
 
+		if (isset($post->object->created)) {
+			$created = DateTimeFormat::utc($post->object->created);
+		} else {
+			$created = '';
+		}
+
 		$postarray['body'] = share_header($share_author, $post->object->author->url,
 						$post->object->author->image->url, "",
-						DateTimeFormat::utc($post->object->created),
-						$post->links->self->href).
+						$created, $post->links->self->href).
 					$postarray['body']."[/share]";
 	}
 
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index 63579af86..bd7800d86 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -1441,7 +1441,7 @@ function statusnet_convertmsg(App $a, $body, $no_tags = false)
 
 				$tempfile = tempnam(get_temppath(), "cache");
 				file_put_contents($tempfile, $img_str);
-				$mime = image_type_to_mime_type(exif_imagetype($tempfile));
+				$mime = mime_content_type($tempfile);
 				unlink($tempfile);
 
 				if (substr($mime, 0, 6) == "image/") {
diff --git a/twitter/twitter.php b/twitter/twitter.php
index b9b3d08ec..74828a842 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -1724,7 +1724,7 @@ function twitter_fetchhometimeline(App $a, $uid)
 
 			$postarray = twitter_createpost($a, $uid, $post, $self, false, false, false);
 
-			if (trim($postarray['body']) == "") {
+			if (empty($postarray['body'])) {
 				continue;
 			}