diff --git a/engine/Post.php b/engine/Post.php
index 40f3639..5253d14 100755
--- a/engine/Post.php
+++ b/engine/Post.php
@@ -62,9 +62,11 @@ public function __construct($source_filename, $is_draft = -1 /* auto */)
     {
         $this->source_filename = $source_filename;
         $this->is_draft = ($is_draft === -1 ? (false !== strpos($source_filename, 'drafts/') || false !== strpos($source_filename, 'pages/')) : $is_draft);
-        $this->timestamp = filemtime($source_filename);
+	$this->timestamp = filemtime($source_filename);
+
+	$source_contents = trim(file_get_contents($source_filename));
+	$segments = preg_split('/\r\n\r\n|\n\n/', $source_contents, 2);
 
-        $segments = explode("\n\n", trim(file_get_contents($source_filename)), 2);
         if (! isset($segments[1])) $segments[1] = '';
 
         if (count($segments) > 1) {
diff --git a/engine/update.php b/engine/update.php
index 87b880c..7057f0d 100755
--- a/engine/update.php
+++ b/engine/update.php
@@ -10,7 +10,7 @@
     exit(1);
 }
 
-if (file_put_contents(LOCK_FILE, posix_getpid())) {
+if (file_put_contents(LOCK_FILE, getmypid())) {
     register_shutdown_function(
         function() {
             try { unlink(LOCK_FILE); } catch (Exception $e) {