diff --git a/pid/zone.hpp b/pid/zone.hpp
index fcadac0..53139ec 100644
--- a/pid/zone.hpp
+++ b/pid/zone.hpp
@@ -54,7 +54,7 @@
     {
         if (loggingEnabled)
         {
-            _log.open(loggingPath + std::to_string(zone));
+            _log.open(loggingPath + "/zone_" + std::to_string(zone) + ".log");
         }
     }