diff --git a/htdocs/ecotaxdeee/ChangeLog.md b/htdocs/ecotaxdeee/ChangeLog.md
index dbcc6e647..1fd68c711 100644
--- a/htdocs/ecotaxdeee/ChangeLog.md
+++ b/htdocs/ecotaxdeee/ChangeLog.md
@@ -1,6 +1,11 @@
 # ChangeLog MODULE EXOTAXDEEE FOR <a href="https://www.dolibarr.org">DOLIBARR ERP CRM</a>
 
 
+## 4.2.1
+
+- Fix compatibility when using other modules that create lines with type = 9 like subtotal
+
+
 ## 4.2
 
 - Need Dolibarr v16+.
diff --git a/htdocs/ecotaxdeee/core/triggers/interface_50_modEcotaxdeee_Ecotaxdeee.class.php b/htdocs/ecotaxdeee/core/triggers/interface_50_modEcotaxdeee_Ecotaxdeee.class.php
index e16db2674..310e03893 100644
--- a/htdocs/ecotaxdeee/core/triggers/interface_50_modEcotaxdeee_Ecotaxdeee.class.php
+++ b/htdocs/ecotaxdeee/core/triggers/interface_50_modEcotaxdeee_Ecotaxdeee.class.php
@@ -112,35 +112,62 @@ function runTrigger($action, $object, User $user, Translate $langs, Conf $conf)
 
 		if (getDolGlobalString('ECOTAXDEEE_USE_ON_CUSTOMER_ORDER')) {
 			if ($action == 'LINEORDER_INSERT' || $action == 'LINEORDER_CREATE') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 			if ($action == 'LINEORDER_UPDATE' || $action == 'LINEORDER_MODIFY') {
-					return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
+				if ($object->product_type == 9) {
+					return 0;
+				}
+				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 			if ($action == 'LINEORDER_DELETE') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 		}
 		if (getDolGlobalString('ECOTAXDEEE_USE_ON_PROPOSAL')) {
 			if ($action == 'LINEPROPAL_INSERT' || $action == 'LINEPROPAL_CREATE') {
 				//var_dump($object);
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 			if ($action == 'LINEPROPAL_UPDATE' || $action == 'LINEPROPAL_MODIFY') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 			if ($action == 'LINEPROPAL_DELETE') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 		}
 		if (getDolGlobalString('ECOTAXDEEE_USE_ON_CUSTOMER_INVOICE')) {
 			if ($action == 'LINEBILL_INSERT' || $action == 'LINEBILL_CREATE') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 			if ($action == 'LINEBILL_UPDATE' || $action == 'LINEBILL_MODIFY') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 			if ($action == 'LINEBILL_DELETE') {
+				if ($object->product_type == 9) {
+					return 0;
+				}
 				return $this->_add_replace_ecotax($action, $object, $user, $langs, $conf);
 			}
 		}