diff --git a/infolog/inc/class.infolog_ui.inc.php b/infolog/inc/class.infolog_ui.inc.php
index 95084fc2ea..3831205689 100644
--- a/infolog/inc/class.infolog_ui.inc.php
+++ b/infolog/inc/class.infolog_ui.inc.php
@@ -1540,8 +1540,11 @@ class infolog_ui
 					if ($content['info_contact'])
 					{
 						$old_link_id = (int)$content['info_link_id'];
-						list($app,$id) = explode(':',$content['info_contact'], 2);
-						$content['info_link_id'] = (int)($info_link_id = egw_link::link('infolog',$content['link_to']['to_id'],$app,$id));
+						list($app,$id) = is_array($content['info_contact']) ? $content['info_contact'] : explode(':',$content['info_contact'], 2);
+						if($app && $id)
+						{
+							$content['info_link_id'] = (int)($info_link_id = egw_link::link('infolog',$content['link_to']['to_id'],$app,$id));
+						}
 						if ($old_link_id && $old_link_id != $content['info_link_id']) egw_link::unlink($old_link_id);
 					}
 					if (is_array($content['link_to']['to_id']) && count($content['link_to']['to_id']))