diff --git a/Firmware/cardreader.cpp b/Firmware/cardreader.cpp
index a9cea244f..ab4d3776b 100644
--- a/Firmware/cardreader.cpp
+++ b/Firmware/cardreader.cpp
@@ -203,6 +203,7 @@ void CardReader::initsd()
   }
   workDir=root;
   curDir=&root;
+  workDirDepth = 0;
 
   #ifdef SDCARD_SORT_ALPHA
 	presort();