diff --git a/addressbook/inc/class.addressbook_ui.inc.php b/addressbook/inc/class.addressbook_ui.inc.php
index 5f6318a00b..242d13eaf6 100644
--- a/addressbook/inc/class.addressbook_ui.inc.php
+++ b/addressbook/inc/class.addressbook_ui.inc.php
@@ -2984,7 +2984,7 @@ class addressbook_ui extends addressbook_bo
 
 		if(is_array($content))
 		{
-			$button = key($content['button']);
+			$button = is_array($content['button']) ? key($content['button']) : "";
 			switch ($button)
 			{
 				case 'vcard':
diff --git a/infolog/inc/class.infolog_bo.inc.php b/infolog/inc/class.infolog_bo.inc.php
index df93074b61..4de6836937 100644
--- a/infolog/inc/class.infolog_bo.inc.php
+++ b/infolog/inc/class.infolog_bo.inc.php
@@ -609,7 +609,7 @@ class infolog_bo
 	function &read($info_id,$run_link_id2from=true,$date_format='ts',$ignore_acl=false)
 	{
 		//error_log(__METHOD__.'('.array2string($info_id).', '.array2string($run_link_id2from).", '$date_format') ".function_backtrace());
-		if (is_scalar($info_id) || isset($info_id[count($info_id)-1]))
+		if (is_scalar($info_id) || is_array($info_id) && isset($info_id[count($info_id)-1]))
 		{
 			if (is_scalar($info_id) && !is_numeric($info_id))
 			{