diff --git a/lib/logstash/outputs/icinga.rb b/lib/logstash/outputs/icinga.rb
index 8ff3d38..61faa55 100644
--- a/lib/logstash/outputs/icinga.rb
+++ b/lib/logstash/outputs/icinga.rb
@@ -308,7 +308,7 @@ def receive(event)
           if @icinga_service
             request_body['filter'] = "host.name == \"#{icinga_host}\" && service.name == \"#{icinga_service}\" && #{action_type}.author == \"#{@action_config['author']}\""
           else
-            request_body['filter'] = "host.name == \"#{icinga_host}\" && #{action_type}.author == \"#{@action_config['author']}\""
+            request_body['filter'] = "host.name == \"#{icinga_host}\" && !service && #{action_type}.author == \"#{@action_config['author']}\""
           end
         else
           if @icinga_service