diff --git a/platformio.ini b/platformio.ini
index dc7cd21..c1ba693 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -52,6 +52,7 @@ build_flags =
     -mtext-section-literals
     -DVERSION=\"${common.version}\"
     -DTOOLDVERSION=\"${common.to_old_version}\"
+    #-DENABLE_HEAP_DEBUGGING
     -DASYNCWEBSERVER_REGEX
     #-DCORE_DEBUG_LEVEL=3
     -DCONFIG_ARDUHAL_LOG_COLORS=1