diff --git a/lib/sinon-doublist-fs/index.js b/lib/sinon-doublist-fs/index.js
index <HASH>..<HASH> 100644
--- a/lib/sinon-doublist-fs/index.js
+++ b/lib/sinon-doublist-fs/index.js
@@ -45,6 +45,8 @@ function sinonDoublistFs(test) {
     nodeConsole = requireNative('codeactual-node-console').create();
     log = nodeConsole.set('time', false).set('traceDepth', true).create(null, console.log);
     nodeConsole.traceMethods('FileStub', FileStub.prototype, log, null, /^(get|set)$/);
+    nodeConsole.traceMethods('customFsStub', customFsStub, log);
+    nodeConsole.traceMethods('mixin', mixin, log);
   } else {
     log = function() {};
   }
fix(tracing): Wrap customFsStub, mixin methods