diff --git a/pcplib/readdir.py b/pcplib/readdir.py
index c833fd0..cc23c3b 100644
--- a/pcplib/readdir.py
+++ b/pcplib/readdir.py
@@ -44,7 +44,7 @@ class dirent(ctypes.Structure):
     DT_UNKNOWN = 0
     DT_FIFO    = 1
     DT_CHR     = 2
-    DT_DIR     = 3
+    DT_DIR     = 4
     DT_BLK     = 6
     DT_REG     = 8
     DT_LNK     = 10