diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 3c478ff5a2c..44f7e00bdce 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -64,7 +64,7 @@ $langs->loadLangs(array('companies', 'propal', 'compta', 'bills', 'orders', 'pro
 if (!empty($conf->incoterm->enabled)) {
 	$langs->load('incoterm');
 }
-if (!empty($conf->margin->enabled)) {
+if (isModEnabled('margin')) {
 	$langs->load('margins');
 }
 
@@ -2737,7 +2737,7 @@ if ($action == 'create') {
 	print '</table>';
 
 	// Margin Infos
-	if (!empty($conf->margin->enabled)) {
+	if (isModEnabled('margin')) {
 		$formmargin->displayMarginInfos($object);
 	}
 
diff --git a/htdocs/comm/propal/list.php b/htdocs/comm/propal/list.php
index 5b678a0f7ac..76c4a42ddce 100644
--- a/htdocs/comm/propal/list.php
+++ b/htdocs/comm/propal/list.php
@@ -536,7 +536,7 @@ $formother = new FormOther($db);
 $formfile = new FormFile($db);
 $formpropal = new FormPropal($db);
 $formmargin = null;
-if (!empty($conf->margin->enabled)) {
+if (isModEnabled('margin')) {
 	$formmargin = new FormMargin($db);
 }
 $companystatic = new Societe($db);
@@ -1573,7 +1573,7 @@ if ($resql) {
 	$typenArray = null;
 
 	$with_margin_info = false;
-	if (!empty($conf->margin->enabled) && (
+	if (isModEnabled('margin') && (
 		!empty($arrayfields['total_pa']['checked'])
 		|| !empty($arrayfields['total_margin']['checked'])
 		|| !empty($arrayfields['total_margin_rate']['checked'])
diff --git a/htdocs/commande/list.php b/htdocs/commande/list.php
index 5cde78cd09f..58a6ce70f0f 100644
--- a/htdocs/commande/list.php
+++ b/htdocs/commande/list.php
@@ -42,7 +42,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/discount.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
-if (!empty($conf->margin->enabled)) {
+if (isModEnabled('margin')) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/html.formmargin.class.php';
 }
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
@@ -199,10 +199,10 @@ $arrayfields = array(
 	'c.multicurrency_total_ttc'=>array('label'=>'MulticurrencyAmountTTC', 'checked'=>0, 'enabled'=>(!isModEnabled("multicurrency") ? 0 : 1), 'position'=>110),
 	'u.login'=>array('label'=>"Author", 'checked'=>1, 'position'=>115),
 	'sale_representative'=>array('label'=>"SaleRepresentativesOfThirdParty", 'checked'=>0, 'position'=>116),
-	'total_pa' => array('label' => (getDolGlobalString('MARGIN_TYPE') == '1' ? 'BuyingPrice' : 'CostPrice'), 'checked' => 0, 'position' => 300, 'enabled' => (empty($conf->margin->enabled) || !$user->rights->margins->liretous ? 0 : 1)),
-	'total_margin' => array('label' => 'Margin', 'checked' => 0, 'position' => 301, 'enabled' => (empty($conf->margin->enabled) || !$user->rights->margins->liretous ? 0 : 1)),
-	'total_margin_rate' => array('label' => 'MarginRate', 'checked' => 0, 'position' => 302, 'enabled' => (empty($conf->margin->enabled) || !$user->rights->margins->liretous || empty($conf->global->DISPLAY_MARGIN_RATES) ? 0 : 1)),
-	'total_mark_rate' => array('label' => 'MarkRate', 'checked' => 0, 'position' => 303, 'enabled' => (empty($conf->margin->enabled) || !$user->rights->margins->liretous || empty($conf->global->DISPLAY_MARK_RATES) ? 0 : 1)),
+	'total_pa' => array('label' => (getDolGlobalString('MARGIN_TYPE') == '1' ? 'BuyingPrice' : 'CostPrice'), 'checked' => 0, 'position' => 300, 'enabled' => (!isModEnabled('margin') || !$user->rights->margins->liretous ? 0 : 1)),
+	'total_margin' => array('label' => 'Margin', 'checked' => 0, 'position' => 301, 'enabled' => (!isModEnabled('margin') || !$user->rights->margins->liretous ? 0 : 1)),
+	'total_margin_rate' => array('label' => 'MarginRate', 'checked' => 0, 'position' => 302, 'enabled' => (!isModEnabled('margin') || !$user->rights->margins->liretous || empty($conf->global->DISPLAY_MARGIN_RATES) ? 0 : 1)),
+	'total_mark_rate' => array('label' => 'MarkRate', 'checked' => 0, 'position' => 303, 'enabled' => (!isModEnabled('margin') || !$user->rights->margins->liretous || empty($conf->global->DISPLAY_MARK_RATES) ? 0 : 1)),
 	'c.datec'=>array('label'=>"DateCreation", 'checked'=>0, 'position'=>120),
 	'c.tms'=>array('label'=>"DateModificationShort", 'checked'=>0, 'position'=>125),
 	'c.date_cloture'=>array('label'=>"DateClosing", 'checked'=>0, 'position'=>130),
@@ -778,7 +778,7 @@ $form = new Form($db);
 $formother = new FormOther($db);
 $formfile = new FormFile($db);
 $formmargin = null;
-if (!empty($conf->margin->enabled)) {
+if (isModEnabled('margin')) {
 	$formmargin = new FormMargin($db);
 }
 $companystatic = new Societe($db);
@@ -1850,7 +1850,7 @@ if ($resql) {
 	$i = 0;
 
 	$with_margin_info = false;
-	if (!empty($conf->margin->enabled) && (
+	if (isModEnabled('margin') && (
 			!empty($arrayfields['total_pa']['checked'])
 			|| !empty($arrayfields['total_margin']['checked'])
 			|| !empty($arrayfields['total_margin_rate']['checked'])
diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index ddfe7e5429f..1d6dbd9f03b 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -245,10 +245,10 @@ $arrayfields = array(
 	'f.multicurrency_total_ttc'=>array('label'=>'MulticurrencyAmountTTC', 'checked'=>0, 'enabled'=>(!isModEnabled('multicurrency') ? 0 : 1), 'position'=>292),
 	'multicurrency_dynamount_payed'=>array('label'=>'MulticurrencyAlreadyPaid', 'checked'=>0, 'enabled'=>(!isModEnabled('multicurrency') ? 0 : 1), 'position'=>295),
 	'multicurrency_rtp'=>array('label'=>'MulticurrencyRemainderToPay', 'checked'=>0, 'enabled'=>(!isModEnabled('multicurrency') ? 0 : 1), 'position'=>296), // Not enabled by default because slow
-	'total_pa' => array('label' => ((isset($conf->global->MARGIN_TYPE) && $conf->global->MARGIN_TYPE == '1') ? 'BuyingPrice' : 'CostPrice'), 'checked' => 0, 'position' => 300, 'enabled' => (empty($conf->margin->enabled) || empty($user->rights->margins->liretous) ? 0 : 1)),
-	'total_margin' => array('label' => 'Margin', 'checked' => 0, 'position' => 301, 'enabled' => (empty($conf->margin->enabled) || empty($user->rights->margins->liretous) ? 0 : 1)),
-	'total_margin_rate' => array('label' => 'MarginRate', 'checked' => 0, 'position' => 302, 'enabled' => (empty($conf->margin->enabled) || empty($user->rights->margins->liretous) || empty($conf->global->DISPLAY_MARGIN_RATES) ? 0 : 1)),
-	'total_mark_rate' => array('label' => 'MarkRate', 'checked' => 0, 'position' => 303, 'enabled' => (empty($conf->margin->enabled) || empty($user->rights->margins->liretous) || empty($conf->global->DISPLAY_MARK_RATES) ? 0 : 1)),
+	'total_pa' => array('label' => ((isset($conf->global->MARGIN_TYPE) && $conf->global->MARGIN_TYPE == '1') ? 'BuyingPrice' : 'CostPrice'), 'checked' => 0, 'position' => 300, 'enabled' => (!isModEnabled('margin') || empty($user->rights->margins->liretous) ? 0 : 1)),
+	'total_margin' => array('label' => 'Margin', 'checked' => 0, 'position' => 301, 'enabled' => (!isModEnabled('margin') || empty($user->rights->margins->liretous) ? 0 : 1)),
+	'total_margin_rate' => array('label' => 'MarginRate', 'checked' => 0, 'position' => 302, 'enabled' => (!isModEnabled('margin') || empty($user->rights->margins->liretous) || empty($conf->global->DISPLAY_MARGIN_RATES) ? 0 : 1)),
+	'total_mark_rate' => array('label' => 'MarkRate', 'checked' => 0, 'position' => 303, 'enabled' => (!isModEnabled('margin') || empty($user->rights->margins->liretous) || empty($conf->global->DISPLAY_MARK_RATES) ? 0 : 1)),
 	'f.datec'=>array('label'=>"DateCreation", 'checked'=>0, 'position'=>500),
 	'f.tms'=>array('label'=>"DateModificationShort", 'checked'=>0, 'position'=>502),
 	'f.note_public'=>array('label'=>'NotePublic', 'checked'=>0, 'position'=>510, 'enabled'=>(empty($conf->global->MAIN_LIST_ALLOW_PUBLIC_NOTES))),
diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index 3509134c70f..b452b20154a 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -1476,7 +1476,7 @@ if ($action == 'create') {
 		$productstatic = new Product($db);
 
 		$usemargins = 0;
-		if (!empty($conf->margin->enabled) && !empty($object->element) && in_array($object->element, array('facture', 'propal', 'commande'))) {
+		if (isModEnabled('margin') && !empty($object->element) && in_array($object->element, array('facture', 'propal', 'commande'))) {
 			$usemargins = 1;
 		}
 
@@ -1522,7 +1522,7 @@ if ($action == 'create') {
 					print '<td width="30" class="left">'.$langs->trans("Unit").'</td>';
 				}
 				print '<td width="50" class="right">'.$langs->trans("ReductionShort").'</td>';
-				if (!empty($conf->margin->enabled) && !empty($conf->global->MARGIN_SHOW_ON_CONTRACT)) {
+				if (isModEnabled('margin') && !empty($conf->global->MARGIN_SHOW_ON_CONTRACT)) {
 					print '<td width="50" class="right">'.$langs->trans("BuyingPrice").'</td>';
 				}
 				print '<td width="30">&nbsp;</td>';
@@ -1592,7 +1592,7 @@ if ($action == 'create') {
 					}
 
 					// Margin
-					if (!empty($conf->margin->enabled) && !empty($conf->global->MARGIN_SHOW_ON_CONTRACT)) {
+					if (isModEnabled('margin') && !empty($conf->global->MARGIN_SHOW_ON_CONTRACT)) {
 						print '<td class="right nowraponall">'.price($objp->pa_ht).'</td>';
 					}
 
@@ -1749,7 +1749,7 @@ if ($action == 'create') {
 					print '</tr>';
 
 					$colspan = 6;
-					if (!empty($conf->margin->enabled) && !empty($conf->global->MARGIN_SHOW_ON_CONTRACT)) {
+					if (isModEnabled('margin') && !empty($conf->global->MARGIN_SHOW_ON_CONTRACT)) {
 						$colspan++;
 					}
 					if (!empty($conf->global->PRODUCT_USE_UNITS)) {
@@ -2237,7 +2237,7 @@ $db->close();
 ?>
 
 <?php
-if (!empty($conf->margin->enabled) && $action == 'editline') {
+if (isModEnabled('margin') && $action == 'editline') {
 		// TODO Why this ? To manage margin on contracts ?
 	?>
 <script type="text/javascript">