diff --git a/playbooks/roles/filebeat/templates/filebeat-gateway-nginx-template.yml b/playbooks/roles/filebeat/templates/filebeat-gateway-nginx-template.yml
index bdee5c9..bfaddfd 100644
--- a/playbooks/roles/filebeat/templates/filebeat-gateway-nginx-template.yml
+++ b/playbooks/roles/filebeat/templates/filebeat-gateway-nginx-template.yml
@@ -7,7 +7,7 @@ filebeat.inputs:
     - "/data/log/nginx/access_{{ log }}.log"
     - "/data/log/nginx/error_{{ log }}.log"
   fields:
-    source: {{ log }}
+    source: {{ log | regex_replace('\*') }}
 
 {% endfor %}