diff --git a/FileWrapper_Lin.cpp b/FileWrapper_Lin.cpp
index bd524f2..31ced1c 100644
--- a/FileWrapper_Lin.cpp
+++ b/FileWrapper_Lin.cpp
@@ -41,7 +41,7 @@ bool DirWalk::isReady() const
 int DirWalk::next(std::string& name, bool& is_dir)
 {
     dirent* file = NULL;
-    if ((file = readdir(Dir)) != NULL)
+    if ((file = readdir(_p->dir)) != NULL)
     {
         if (file->d_type == DT_DIR)
         {