diff --git a/fs/fshelp.c b/fs/fshelp.c
index df33fa1..f48b089 100644
--- a/fs/fshelp.c
+++ b/fs/fshelp.c
@@ -80,7 +80,13 @@ grub_fshelp_find_file (const char *path, grub_fshelp_node_t rootnode,
 				    enum grub_fshelp_filetype filetype,
 				    grub_fshelp_node_t node)
 	{
-	  if (type == GRUB_FSHELP_UNKNOWN || grub_strcmp (name, filename))
+          int case_insensitive = (filetype & GRUB_FSHELP_CASE_INSENSITIVE);
+
+          filetype &= ~GRUB_FSHELP_CASE_INSENSITIVE;
+	  if (filetype == GRUB_FSHELP_UNKNOWN ||
+              (grub_strcmp (name, filename) &&
+               (! case_insensitive ||
+                grub_strncasecmp (name, filename, LONG_MAX))))
 	    {
 	      grub_free (node);
 	      return 0;
diff --git a/fs/ntfs.c b/fs/ntfs.c
index 3174ab1..a590ade 100644
--- a/fs/ntfs.c
+++ b/fs/ntfs.c
@@ -575,13 +575,20 @@ list_file (struct grub_ntfs_file *diro, char *pos,
 
   while (1)
     {
-      char *ustr;
+      char *ustr, namespace;
+
       if (pos[0xC] & 2)		/* end signature */
 	break;
 
-      np = pos + 0x52;
-      ns = (unsigned char) *(np - 2);
-      if (ns)
+      np = pos + 0x50;
+      ns = (unsigned char) *(np++);
+      namespace = *(np++);
+
+      /*
+       *  Ignore files in DOS namespace, as they will reappear as Win32
+       *  names.
+       */
+      if ((ns) && (namespace != 2))
 	{
 	  enum grub_fshelp_filetype type;
 	  struct grub_ntfs_file *fdiro;
@@ -610,6 +617,9 @@ list_file (struct grub_ntfs_file *diro, char *pos,
 	  *grub_utf16_to_utf8 ((grub_uint8_t *) ustr, (grub_uint16_t *) np,
 			       ns) = '\0';
 
+          if (namespace)
+            type |= GRUB_FSHELP_CASE_INSENSITIVE;
+
 	  if (hook (ustr, type, fdiro))
 	    {
 	      grub_free (ustr);
diff --git a/include/grub/fshelp.h b/include/grub/fshelp.h
index 698c7aa..7092cac 100644
--- a/include/grub/fshelp.h
+++ b/include/grub/fshelp.h
@@ -26,6 +26,8 @@
 
 typedef struct grub_fshelp_node *grub_fshelp_node_t;
 
+#define GRUB_FSHELP_CASE_INSENSITIVE	0x100
+
 enum grub_fshelp_filetype
   {
     GRUB_FSHELP_UNKNOWN,
diff --git a/include/grub/types.h b/include/grub/types.h
index d204429..6f256c1 100644
--- a/include/grub/types.h
+++ b/include/grub/types.h
@@ -94,8 +94,10 @@ typedef grub_int32_t	grub_ssize_t;
 
 #if GRUB_CPU_SIZEOF_VOID_P == 8
 # define ULONG_MAX 18446744073709551615UL
+# define LONG_MAX 9223372036854775807UL
 #else
 # define ULONG_MAX 4294967295UL
+# define LONG_MAX 2147483647UL
 #endif
 
 /* The type for representing a file offset.  */