diff --git a/lib/bennu/iCalendar_components.php b/lib/bennu/iCalendar_components.php
index 3c2936b1a22..1f6bf3da326 100644
--- a/lib/bennu/iCalendar_components.php
+++ b/lib/bennu/iCalendar_components.php
@@ -232,7 +232,7 @@ class iCalendar_component {
     
     function unserialize($string) {
         $string = rfc2445_unfold($string); // Unfold any long lines
-        $lines = explode(RFC2445_CRLF, $string); // Create an array of lines
+        $lines = preg_split("<".RFC2445_CRLF."|\n|\r>", $string, 0, PREG_SPLIT_NO_EMPTY); // Create an array of lines.
         
         $components = array(); // Initialise a stack of components
         $this->clear_errors();
diff --git a/lib/bennu/readme_moodle.txt b/lib/bennu/readme_moodle.txt
index 1c6154b12ee..582b265fde7 100644
--- a/lib/bennu/readme_moodle.txt
+++ b/lib/bennu/readme_moodle.txt
@@ -2,4 +2,5 @@ Description of Bennu library import - customised library by author, this version
 
 modifications:
 1/ removed ereg functions deprecated as of php 5.3 (18 Nov 2009)
-2/ replaced mbstring functions with moodle textlib (28 Nov 2011)
\ No newline at end of file
+2/ replaced mbstring functions with moodle textlib (28 Nov 2011)
+3/ replaced explode in iCalendar_component::unserialize() with preg_split to support various line breaks (20 Nov 2012)
\ No newline at end of file