diff --git a/plugins/serendipity_event_nl2br/serendipity_event_nl2br.php b/plugins/serendipity_event_nl2br/serendipity_event_nl2br.php
index 640b8333..9d3f9266 100644
--- a/plugins/serendipity_event_nl2br/serendipity_event_nl2br.php
+++ b/plugins/serendipity_event_nl2br/serendipity_event_nl2br.php
@@ -624,6 +624,10 @@ p.wl_notopbottom {
 		$tagstack = array();
 		$isolation_flag = false;
 
+        if (! is_array($textarray)) {
+            return $text;
+        }
+
 		for ($i=0; $i < count($textarray); $i++)
 		{