diff --git a/htdocs/bookmarks/card.php b/htdocs/bookmarks/card.php
index 74d2284c4b5..289916a07c2 100644
--- a/htdocs/bookmarks/card.php
+++ b/htdocs/bookmarks/card.php
@@ -31,7 +31,7 @@ require_once DOL_DOCUMENT_ROOT.'/bookmarks/class/bookmark.class.php';
 $langs->loadLangs(array('bookmarks', 'other'));
 
 // Security check
-if (!$user->rights->bookmark->lire) {
+if (empty($user->rights->bookmark->lire)) {
 	restrictedArea($user, 'bookmarks');
 }
 
diff --git a/htdocs/bookmarks/list.php b/htdocs/bookmarks/list.php
index 17be6be9cef..8a5de8f4d91 100644
--- a/htdocs/bookmarks/list.php
+++ b/htdocs/bookmarks/list.php
@@ -35,7 +35,7 @@ $toselect = GETPOST('toselect', 'array');
 $contextpage = GETPOST('contextpage', 'aZ') ?GETPOST('contextpage', 'aZ') : 'bookmarklist'; // To manage different context of search
 
 // Security check
-if (!$user->rights->bookmark->lire) {
+if (empty($user->rights->bookmark->lire)) {
 	restrictedArea($user, 'bookmarks');
 }
 $optioncss = GETPOST('optioncss', 'alpha');
diff --git a/htdocs/compta/bank/bilan.php b/htdocs/compta/bank/bilan.php
index 94ae0134a9d..6edee79f86b 100644
--- a/htdocs/compta/bank/bilan.php
+++ b/htdocs/compta/bank/bilan.php
@@ -28,7 +28,7 @@ require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 // Load translation files required by the page
 $langs->loadLangs(array('banks', 'categories'));
 
-if (!$user->rights->banque->lire) {
+if (empty($user->rights->banque->lire)) {
 	accessforbidden();
 }
 
diff --git a/htdocs/compta/bank/info.php b/htdocs/compta/bank/info.php
index c61f6e50bff..e8514c1e96e 100644
--- a/htdocs/compta/bank/info.php
+++ b/htdocs/compta/bank/info.php
@@ -39,7 +39,7 @@ if ($user->socid) {
 	$socid = $user->socid;
 }
 $result = restrictedArea($user, 'banque', $fieldvalue, 'bank_account', '', '', $fieldtype);
-if (!$user->rights->banque->lire && !$user->rights->banque->consolidate) {
+if (empty($user->rights->banque->lire) && !$user->rights->banque->consolidate) {
 	accessforbidden();
 }
 
diff --git a/htdocs/compta/bank/line.php b/htdocs/compta/bank/line.php
index 05aed6a215e..5567678c366 100644
--- a/htdocs/compta/bank/line.php
+++ b/htdocs/compta/bank/line.php
@@ -67,7 +67,7 @@ if ($user->socid) {
 	$socid = $user->socid;
 }
 $result = restrictedArea($user, 'banque', $fieldvalue, 'bank_account', '', '', $fieldtype);
-if (!$user->rights->banque->lire && !$user->rights->banque->consolidate) {
+if (empty($user->rights->banque->lire) && !$user->rights->banque->consolidate) {
 	accessforbidden();
 }
 
diff --git a/htdocs/core/lib/security.lib.php b/htdocs/core/lib/security.lib.php
index ab404db010b..fbd2651d4b3 100644
--- a/htdocs/core/lib/security.lib.php
+++ b/htdocs/core/lib/security.lib.php
@@ -299,7 +299,7 @@ function restrictedArea($user, $features, $objectid = 0, $tableandshare = '', $f
 				$nbko++;
 			}
 		} elseif ($feature == 'cheque') {
-			if (!$user->rights->banque->cheque) {
+			if (empty($user->rights->banque->cheque)) {
 				$readok = 0;
 				$nbko++;
 			}
@@ -385,22 +385,22 @@ function restrictedArea($user, $features, $objectid = 0, $tableandshare = '', $f
 					$nbko++;
 				}
 			} elseif ($feature == 'commande_fournisseur') {
-				if (!$user->rights->fournisseur->commande->creer || !$user->rights->supplier_order->creer) {
+				if (empty($user->rights->fournisseur->commande->creer) || empty($user->rights->supplier_order->creer)) {
 					$createok = 0;
 					$nbko++;
 				}
 			} elseif ($feature == 'banque') {
-				if (!$user->rights->banque->modifier) {
+				if (empty($user->rights->banque->modifier)) {
 					$createok = 0;
 					$nbko++;
 				}
 			} elseif ($feature == 'cheque') {
-				if (!$user->rights->banque->cheque) {
+				if (empty($user->rights->banque->cheque)) {
 					$createok = 0;
 					$nbko++;
 				}
 			} elseif ($feature == 'import') {
-				if (!$user->rights->import->run) {
+				if (empty($user->rights->import->run)) {
 					$createok = 0;
 					$nbko++;
 				}
@@ -497,11 +497,11 @@ function restrictedArea($user, $features, $objectid = 0, $tableandshare = '', $f
 					$deleteok = 0;
 				}
 			} elseif ($feature == 'banque') {
-				if (!$user->rights->banque->modifier) {
+				if (empty($user->rights->banque->modifier)) {
 					$deleteok = 0;
 				}
 			} elseif ($feature == 'cheque') {
-				if (!$user->rights->banque->cheque) {
+				if (empty($user->rights->banque->cheque)) {
 					$deleteok = 0;
 				}
 			} elseif ($feature == 'ecm') {
diff --git a/htdocs/core/photos_resize.php b/htdocs/core/photos_resize.php
index a1559ef6d53..654435dad89 100644
--- a/htdocs/core/photos_resize.php
+++ b/htdocs/core/photos_resize.php
@@ -86,7 +86,7 @@ if ($modulepart == 'produit' || $modulepart == 'product' || $modulepart == 'serv
 	$accessallowed = 1;
 } elseif ($modulepart == 'bank') {
 	$result = restrictedArea($user, 'banque', $id, 'bank_account');
-	if (!$user->rights->banque->lire) {
+	if (empty($user->rights->banque->lire)) {
 		accessforbidden();
 	}
 	$accessallowed = 1;