diff --git a/infrastructure/ansible/roles/traffic-router/defaults/main.yml b/infrastructure/ansible/roles/traffic-router/defaults/main.yml
index 5c6463e9ed..b96082f0a4 100644
--- a/infrastructure/ansible/roles/traffic-router/defaults/main.yml
+++ b/infrastructure/ansible/roles/traffic-router/defaults/main.yml
@@ -139,7 +139,7 @@ tr_log4j2_opts: |
           </Console>
           <RollingFile name="traffic_router_access"
                        fileName="{{tr_log_dir}}/access.log"
-                       filePattern="{{tr_log_dir}}/access.log.%d{MM-dd-yyyy}-%2i" >
+                       filePattern="{{tr_log_dir}}/access.log.%d{yyyy-MM-dd}-%02i" >
               <PatternLayout pattern="%m%n" />
               <Policies>
                   <SizeBasedTriggeringPolicy size="200MB" />