diff --git a/src/helpers/partutil.c b/src/helpers/partutil.c
index 72a8fe3..4ff2076 100644
--- a/src/helpers/partutil.c
+++ b/src/helpers/partutil.c
@@ -501,16 +501,18 @@ part_table_parse_msdos_extended (int fd,
           PartitionEntry *pe;
           guint64 pstart;
           guint64 psize;
+          guint8 ptype;
 
           pstart = block_size * ((guint64) get_le32 (&(embr[MSDOS_PARTTABLE_OFFSET + n * 16 + 8])));
           psize = block_size * ((guint64) get_le32 (&(embr[MSDOS_PARTTABLE_OFFSET + n * 16 + 12])));
+          ptype = embr[MSDOS_PARTTABLE_OFFSET + n * 16 + 4];
 
           if (psize == 0)
             continue;
 
           pe = NULL;
 
-          if (n == 0)
+          if (n == 0 && 5 != ptype) // || 15 == ptype
             {
               //DEBUG ("part %d (offset %lld, size %lld, type 0x%02x)",
               //     n, readfrom + pstart, psize, ptype));