diff --git a/Trend Micro/trend-micro-vision-one-oat/ingest/parser.yml b/Trend Micro/trend-micro-vision-one-oat/ingest/parser.yml
index d53b6c859..34b739583 100644
--- a/Trend Micro/trend-micro-vision-one-oat/ingest/parser.yml	
+++ b/Trend Micro/trend-micro-vision-one-oat/ingest/parser.yml	
@@ -1,5 +1,5 @@
 name: trend-micro-vision-one-oat
-ignored_values: [ ]
+ignored_values: []
 pipeline:
   - name: parsed_event
     external:
@@ -25,8 +25,8 @@ stages:
   set_ecs_fields:
     actions:
       - set:
-          event.category: [ "intrusion_detection" ]
-          event.type: [ "info" ]
+          event.category: ["intrusion_detection"]
+          event.type: ["info"]
           observer.vendor: "TrendMicro"
           observer.product: "Vision One"
 
@@ -101,8 +101,8 @@ stages:
   set_email_fields:
     actions:
       - set:
-          event.category: [ "email" ]
-          event.type: [ "info" ]
+          event.category: ["email"]
+          event.type: ["info"]
 
           email.from.address: "{{ parsed_event.message.suser }}"
           email.to.address: "{{ parsed_event.message.duser }}"