diff --git a/lib/zeitwerk/loader.rb b/lib/zeitwerk/loader.rb
index e9c2b146..f5e7a37b 100644
--- a/lib/zeitwerk/loader.rb
+++ b/lib/zeitwerk/loader.rb
@@ -91,9 +91,9 @@ class Loader
     attr_reader :mutex
     private :mutex
 
-    # @private
     # @sig Mutex
     attr_reader :mutex2
+    private :mutex2
 
     def initialize
       super