diff --git a/phpgwapi/inc/horde/Horde/iCalendar.php b/phpgwapi/inc/horde/Horde/iCalendar.php
index ede61557e5..14c9ba736f 100644
--- a/phpgwapi/inc/horde/Horde/iCalendar.php
+++ b/phpgwapi/inc/horde/Horde/iCalendar.php
@@ -620,7 +620,7 @@ class Horde_iCalendar {
         	// old formats force folding at whitespace which must therefore be preserved
         	$vCal = preg_replace('/[\r\n]+([ \t])/', '\1', $vCal);
         } else {
-        	$vCal = preg_replace('/[\r\n]+[ \t]/', '', $vCal);
+        	$vCal = preg_replace('/[\r\n]+[ \t]+/', '', $vCal);
         }
 
 		$isDate = false;