diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 02617f7b52a..3e2520f43da 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -1330,7 +1330,7 @@ class ActionComm extends CommonObject
 		if (empty($user->rights->societe->client->voir) && !$user->socid) {
 			$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON a.fk_soc = sc.fk_soc";
 		}
-		if (!$user->rights->agenda->allactions->read) {
+		if (empty($user->rights->agenda->allactions->read)) {
 			$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."actioncomm_resources AS ar ON a.id = ar.fk_actioncomm AND ar.element_type ='user' AND ar.fk_element = ".((int) $user->id);
 		}
 		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."societe as s ON a.fk_soc = s.rowid";
@@ -1345,7 +1345,7 @@ class ActionComm extends CommonObject
 		if ($user->socid) {
 			$sql .= " AND a.fk_soc = ".((int) $user->socid);
 		}
-		if (!$user->rights->agenda->allactions->read) {
+		if (empty($user->rights->agenda->allactions->read)) {
 			$sql .= " AND (a.fk_user_author = ".((int) $user->id)." OR a.fk_user_action = ".((int) $user->id)." OR a.fk_user_done = ".((int) $user->id);
 			$sql .= " OR ar.fk_element = ".((int) $user->id);
 			$sql .= ")";
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index eff302e699e..5f7349fab3c 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -86,13 +86,13 @@ if ($socid < 0) {
 }
 
 $canedit = 1;
-if (!$user->rights->agenda->myactions->read) {
+if (empty($user->rights->agenda->myactions->read)) {
 	accessforbidden();
 }
-if (!$user->rights->agenda->allactions->read) {
+if (empty($user->rights->agenda->allactions->read)) {
 	$canedit = 0;
 }
-if (!$user->rights->agenda->allactions->read || $filter == 'mine') {  // If no permission to see all, we show only affected to me
+if (empty($user->rights->agenda->allactions->read) || $filter == 'mine') {  // If no permission to see all, we show only affected to me
 	$filtert = $user->id;
 }
 
diff --git a/htdocs/comm/action/list.php b/htdocs/comm/action/list.php
index 7c70803300e..985a403b086 100644
--- a/htdocs/comm/action/list.php
+++ b/htdocs/comm/action/list.php
@@ -136,13 +136,13 @@ if ($socid < 0) {
 }
 
 $canedit = 1;
-if (!$user->rights->agenda->myactions->read) {
+if (empty($user->rights->agenda->myactions->read)) {
 	accessforbidden();
 }
-if (!$user->rights->agenda->allactions->read) {
+if (empty($user->rights->agenda->allactions->read)) {
 	$canedit = 0;
 }
-if (!$user->rights->agenda->allactions->read || $filter == 'mine') {	// If no permission to see all, we show only affected to me
+if (empty($user->rights->agenda->allactions->read) || $filter == 'mine') {	// If no permission to see all, we show only affected to me
 	$filtert = $user->id;
 }
 
diff --git a/htdocs/comm/action/pertype.php b/htdocs/comm/action/pertype.php
index 541a05a208f..55540b3006f 100644
--- a/htdocs/comm/action/pertype.php
+++ b/htdocs/comm/action/pertype.php
@@ -80,13 +80,13 @@ if ($socid < 0) {
 }
 
 $canedit = 1;
-if (!$user->rights->agenda->myactions->read) {
+if (empty($user->rights->agenda->myactions->read)) {
 	accessforbidden();
 }
-if (!$user->rights->agenda->allactions->read) {
+if (empty($user->rights->agenda->allactions->read)) {
 	$canedit = 0;
 }
-if (!$user->rights->agenda->allactions->read || $filter == 'mine') {  // If no permission to see all, we show only affected to me
+if (empty($user->rights->agenda->allactions->read) || $filter == 'mine') {  // If no permission to see all, we show only affected to me
 	$filtert = $user->id;
 }
 
diff --git a/htdocs/comm/action/peruser.php b/htdocs/comm/action/peruser.php
index c0f59a7f90b..0148170d316 100644
--- a/htdocs/comm/action/peruser.php
+++ b/htdocs/comm/action/peruser.php
@@ -80,13 +80,13 @@ if ($socid < 0) {
 }
 
 $canedit = 1;
-if (!$user->rights->agenda->myactions->read) {
+if (empty($user->rights->agenda->myactions->read)) {
 	accessforbidden();
 }
-if (!$user->rights->agenda->allactions->read) {
+if (empty($user->rights->agenda->allactions->read)) {
 	$canedit = 0;
 }
-if (!$user->rights->agenda->allactions->read || $filter == 'mine') {  // If no permission to see all, we show only affected to me
+if (empty($user->rights->agenda->allactions->read) || $filter == 'mine') {  // If no permission to see all, we show only affected to me
 	$filtert = $user->id;
 }
 
diff --git a/htdocs/core/boxes/box_actions.php b/htdocs/core/boxes/box_actions.php
index 691e0ac1bc3..ee41df3cdd2 100644
--- a/htdocs/core/boxes/box_actions.php
+++ b/htdocs/core/boxes/box_actions.php
@@ -105,7 +105,7 @@ class box_actions extends ModeleBoxes
 			if ($user->socid) {
 				$sql .= " AND s.rowid = ".((int) $user->socid);
 			}
-			if (!$user->rights->agenda->allactions->read) {
+			if (empty($user->rights->agenda->allactions->read)) {
 				$sql .= " AND (a.fk_user_author = ".((int) $user->id)." OR a.fk_user_action = ".((int) $user->id)." OR a.fk_user_done = ".((int) $user->id).")";
 			}
 			$sql .= " ORDER BY a.datec DESC";