diff --git a/pglablib/catalog/PgTrigger.cpp b/pglablib/catalog/PgTrigger.cpp
index ba1ef9c..920a612 100644
--- a/pglablib/catalog/PgTrigger.cpp
+++ b/pglablib/catalog/PgTrigger.cpp
@@ -91,12 +91,18 @@ QString PgTrigger::event() const
 	QString event;
 	if (type & TriggerTypeInsert)
 		event += "INSERT ";
-	if (type & TriggerTypeUpdate)
+	if (type & TriggerTypeUpdate) {
+		if (!event.isEmpty()) event += "OR ";
 		event += "UPDATE ";
-	if (type & TriggerTypeDelete)
+	}
+	if (type & TriggerTypeDelete) {
+		if (!event.isEmpty()) event += "OR ";
 		event += "DELETE ";
-	if (type & TriggerTypeTruncate)
+	}
+	if (type & TriggerTypeTruncate) {
+		if (!event.isEmpty()) event += "OR ";
 		event += "TRUNCATE";
+	}
 	return event.trimmed();
 }