diff --git a/htdocs/core/boxes/box_graph_product_distribution.php b/htdocs/core/boxes/box_graph_product_distribution.php
index 92a8b471e5f..6b8177e5ed4 100644
--- a/htdocs/core/boxes/box_graph_product_distribution.php
+++ b/htdocs/core/boxes/box_graph_product_distribution.php
@@ -110,10 +110,10 @@ class box_graph_product_distribution extends ModeleBoxes
 		if (!isModEnabled('facture') || empty($user->rights->facture->lire)) {
 			$showinvoicenb = 0;
 		}
-		if (empty($conf->propal->enabled) || empty($user->rights->propale->lire)) {
+		if (isModEnabled('propal') || empty($user->rights->propale->lire)) {
 			$showpropalnb = 0;
 		}
-		if (empty($conf->commande->enabled) || empty($user->rights->commande->lire)) {
+		if (!isModEnabled('commande') || empty($user->rights->commande->lire)) {
 			$showordernb = 0;
 		}
 
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 7f30878d566..9db0f8aed7e 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -3550,7 +3550,7 @@ abstract class CommonObject
 			if (!empty($conf->global->$MODULE)) {
 				$modsactivated = explode(',', $conf->global->$MODULE);
 				foreach ($modsactivated as $mod) {
-					if ($conf->$mod->enabled) {
+					if (!isModEnabled($mod->enabled) {
 						return 1; // update was disabled by specific setup
 					}
 				}
@@ -4883,7 +4883,7 @@ abstract class CommonObject
 
 		// Define usemargins
 		$usemargins = 0;
-		if (!empty($conf->margin->enabled) && !empty($this->element) && in_array($this->element, array('facture', 'facturerec', 'propal', 'commande'))) {
+		if (isModEnabled('margin') && !empty($this->element) && in_array($this->element, array('facture', 'facturerec', 'propal', 'commande'))) {
 			$usemargins = 1;
 		}
 
diff --git a/htdocs/core/class/utils.class.php b/htdocs/core/class/utils.class.php
index f15d9f4d732..d67bee7abac 100644
--- a/htdocs/core/class/utils.class.php
+++ b/htdocs/core/class/utils.class.php
@@ -164,7 +164,7 @@ class Utils
 				}
 
 				// Update cachenbofdoc
-				if (!empty($conf->ecm->enabled) && $choice == 'allfiles') {
+				if (isModEnabled('ecm') && $choice == 'allfiles') {
 					require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';
 					$ecmdirstatic = new EcmDirectory($this->db);
 					$result = $ecmdirstatic->refreshcachenboffile(1);
diff --git a/htdocs/core/lib/product.lib.php b/htdocs/core/lib/product.lib.php
index da6a6c5e1f8..faf37b62d21 100644
--- a/htdocs/core/lib/product.lib.php
+++ b/htdocs/core/lib/product.lib.php
@@ -60,9 +60,9 @@ function product_prepare_head($object)
 		$h++;
 	}
 
-	if (!empty($object->status_buy) || (!empty($conf->margin->enabled) && !empty($object->status))) {   // If margin is on and product on sell, we may need the cost price even if product os not on purchase
+	if (!empty($object->status_buy) || (isModEnabled('margin') && !empty($object->status))) {   // If margin is on and product on sell, we may need the cost price even if product os not on purchase
 		if ((((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice")) && $user->rights->fournisseur->lire)
-		|| (!empty($conf->margin->enabled) && $user->rights->margin->liretous)
+		|| (isModEnabled('margin') && $user->rights->margin->liretous)
 		) {
 			if ($usercancreadprice) {
 				$head[$h][0] = DOL_URL_ROOT."/product/fournisseurs.php?id=".$object->id;
diff --git a/htdocs/core/modules/modProduct.class.php b/htdocs/core/modules/modProduct.class.php
index 8d6a5fe0508..09b0a4818f5 100644
--- a/htdocs/core/modules/modProduct.class.php
+++ b/htdocs/core/modules/modProduct.class.php
@@ -211,7 +211,7 @@ class modProduct extends DolibarrModules
 		if (is_object($mysoc) && $usenpr) {
 			$this->export_fields_array[$r]['p.recuperableonly'] = 'NPR';
 		}
-		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice") || !empty($conf->margin->enabled)) {
+		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice") || isModEnabled('margin')) {
 			$this->export_fields_array[$r] = array_merge($this->export_fields_array[$r], array('p.cost_price'=>'CostPrice'));
 		}
 		if (isModEnabled('stock')) {
@@ -625,7 +625,7 @@ class modProduct extends DolibarrModules
 			));
 		}
 
-		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice") || !empty($conf->margin->enabled)) {
+		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice") || isModEnabled('margin')) {
 			$this->import_fields_array[$r] = array_merge($this->import_fields_array[$r], array('p.cost_price'=>'CostPrice'));
 		}
 		if (is_object($mysoc) && $usenpr) {
@@ -718,7 +718,7 @@ class modProduct extends DolibarrModules
 				'p.desiredstock' => ''
 			));
 		}
-		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice") || !empty($conf->margin->enabled)) {
+		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice") || isModEnabled('margin')) {
 			$import_sample = array_merge($import_sample, array('p.cost_price'=>'90'));
 		}
 		if (is_object($mysoc) && $usenpr) {