diff --git a/src/MDConsole.php b/src/MDConsole.php
index 6516538..06bb857 100644
--- a/src/MDConsole.php
+++ b/src/MDConsole.php
@@ -11,8 +11,8 @@ declare(strict_types = 1);
  */
 final class MDConsole {
 
-    const CONSOLE_LOG_USED_RESOURCES_ENABLED = 1;
-    const CONSOLE_LOG_USED_RESOURCES_DISABLED = 0;
+    public const CONSOLE_LOG_USED_RESOURCES_ENABLED = 1;
+    public const CONSOLE_LOG_USED_RESOURCES_DISABLED = 0;
 
     /** @var boolean */
     public static $verbose = true;
diff --git a/src/MDOutputHandler.php b/src/MDOutputHandler.php
index 6fba63f..714e093 100644
--- a/src/MDOutputHandler.php
+++ b/src/MDOutputHandler.php
@@ -11,7 +11,7 @@ declare(strict_types = 1);
  */
 final class MDOutputHandler {
 
-    const FLUSH_TO_LOGFILE_AFTER = 100;
+    private const FLUSH_TO_LOGFILE_AFTER = 100;
 
     public static bool $disable_completely = false;