diff --git a/addressbook/inc/class.addressbook_groupdav.inc.php b/addressbook/inc/class.addressbook_groupdav.inc.php
index 818e029dd0..6daa353d6f 100644
--- a/addressbook/inc/class.addressbook_groupdav.inc.php
+++ b/addressbook/inc/class.addressbook_groupdav.inc.php
@@ -506,7 +506,7 @@ class addressbook_groupdav extends groupdav_handler
 				if ($option['name'] == 'href')
 				{
 					$parts = explode('/',$option['data']);
-					if (($id = array_pop($parts)))
+					if (($id = urldecode(array_pop($parts))))
 					{
 						$ids[] = groupdav_handler::$path_extension ? basename($id,groupdav_handler::$path_extension) : $id;
 					}
diff --git a/calendar/inc/class.calendar_groupdav.inc.php b/calendar/inc/class.calendar_groupdav.inc.php
index b241478dac..ab8a9a7bcd 100644
--- a/calendar/inc/class.calendar_groupdav.inc.php
+++ b/calendar/inc/class.calendar_groupdav.inc.php
@@ -533,7 +533,7 @@ class calendar_groupdav extends groupdav_handler
 					if ($option['name'] == 'href')
 					{
 						$parts = explode('/',$option['data']);
-						if (($id = array_pop($parts)))
+						if (($id = urldecode(array_pop($parts))))
 						{
 							$cal_filters['query'][self::$path_attr][] = groupdav_handler::$path_extension ?
 								basename($id,groupdav_handler::$path_extension) : $id;
diff --git a/infolog/inc/class.infolog_groupdav.inc.php b/infolog/inc/class.infolog_groupdav.inc.php
index e3e6a9e893..c7d56139f2 100644
--- a/infolog/inc/class.infolog_groupdav.inc.php
+++ b/infolog/inc/class.infolog_groupdav.inc.php
@@ -430,7 +430,7 @@ class infolog_groupdav extends groupdav_handler
 					if ($option['name'] == 'href')
 					{
 						$parts = explode('/',$option['data']);
-						if (($id = basename(array_pop($parts))))
+						if (($id = basename(urldecode(array_pop($parts)))))
 						{
 							$cal_filters[self::$path_attr][] = groupdav_handler::$path_extension ?
 								basename($id,groupdav_handler::$path_extension) : $id;