diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index be49b0a8c0c..fa8f9a6e1a8 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -2752,6 +2752,17 @@ class ExpenseReportLine
 		if ($resql) {
 			$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.'expensereport_det');
 
+
+			if (!$error && !$notrigger) {
+				// Call triggers
+				$result = $this->call_trigger('EXPENSE_REPORT_DET_CREATE', $user);
+				if ($result < 0) {
+					$error++;
+				}
+				// End call triggers
+			}
+
+
 			if (!$fromaddline) {
 				$tmpparent = new ExpenseReport($this->db);
 				$tmpparent->fetch($this->fk_expensereport);
@@ -2908,4 +2919,40 @@ class ExpenseReportLine
 			return -2;
 		}
 	}
+
+	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
+	/**
+	 * Call trigger based on this instance.
+	 * Some context information may also be provided into array property this->context.
+	 * NB:  Error from trigger are stacked in interface->errors
+	 * NB2: If return code of triggers are < 0, action calling trigger should cancel all transaction.
+	 *
+	 * @param   string    $triggerName   trigger's name to execute
+	 * @param   User      $user           Object user
+	 * @return  int                       Result of run_triggers
+	 */
+	public function call_trigger($triggerName, $user)
+	{
+		// phpcs:enable
+		global $langs, $conf;
+
+		if (!is_object($langs)) {	// If lang was not defined, we set it. It is required by run_triggers.
+			include_once DOL_DOCUMENT_ROOT.'/core/class/translate.class.php';
+			$langs = new Translate('', $conf);
+		}
+
+		include_once DOL_DOCUMENT_ROOT.'/core/class/interfaces.class.php';
+		$interface = new Interfaces($this->db);
+		$result = $interface->run_triggers($triggerName, $this, $user, $langs, $conf);
+
+		if ($result < 0) {
+			if (!empty($this->errors)) {
+				$this->errors = array_unique(array_merge($this->errors, $interface->errors)); // We use array_unique because when a trigger call another trigger on same object, this->errors is added twice.
+			} else {
+				$this->errors = $interface->errors;
+			}
+		}
+		return $result;
+	}
+
 }