diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 0e42235d6..e2a98248e 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -162,6 +162,9 @@ const int dropsegments=5; //everything with less than this number of steps will
 // be commented out otherwise
 #define SDCARDDETECTINVERTED 
 
+#ifdef ULTIPANEL
+ #undef SDCARDDETECTINVERTED
+#endif
 //===========================================================================
 //=============================Buffers           ============================
 //===========================================================================
diff --git a/Marlin/cardreader.cpp b/Marlin/cardreader.cpp
index 4a63f727a..c3ee3e212 100644
--- a/Marlin/cardreader.cpp
+++ b/Marlin/cardreader.cpp
@@ -53,7 +53,7 @@ void  CardReader::lsDive(const char *prepend,SdFile parent)
  
   while (parent.readDir(p) > 0)
   {
-    if( DIR_IS_SUBDIR(&p) && lsAction!=LS_Count && lsAction!=LS_GetFilename)
+    if( DIR_IS_SUBDIR(&p) && lsAction!=LS_Count && lsAction!=LS_GetFilename) // hence LS_SerialPrint
     {
 
       char path[13*2];
diff --git a/Marlin/cardreader.h b/Marlin/cardreader.h
index e56c3a9e6..5c6e29ad8 100644
--- a/Marlin/cardreader.h
+++ b/Marlin/cardreader.h
@@ -45,7 +45,7 @@ public:
   bool saving;
   bool sdprinting ;  
   bool cardOK ;
-  char filename[11];
+  char filename[12];
   bool filenameIsDir;
   int lastnr; //last number of the autostart;
 private: