diff --git a/src/calibre/ebooks/mobi/debug.py b/src/calibre/ebooks/mobi/debug.py
index a90ecd9071..0b773a51d8 100644
--- a/src/calibre/ebooks/mobi/debug.py
+++ b/src/calibre/ebooks/mobi/debug.py
@@ -1136,7 +1136,8 @@ class BinaryRecord(object): # {{{
         self.raw = record.raw
         sig = self.raw[:4]
         name = '%06d'%idx
-        if sig in (b'FCIS', b'FLIS', b'SRCS', b'DATP'):
+        if sig in {b'FCIS', b'FLIS', b'SRCS', b'DATP', b'RESC', b'BOUN',
+                b'FDST', b'AUDI', b'VIDE',}:
             name += '-' + sig.decode('ascii')
         elif sig == b'\xe9\x8e\r\n':
             name += '-' + 'EOF'
diff --git a/src/calibre/ebooks/mobi/reader.py b/src/calibre/ebooks/mobi/reader.py
index 8d92403b9f..8637cfb9ae 100644
--- a/src/calibre/ebooks/mobi/reader.py
+++ b/src/calibre/ebooks/mobi/reader.py
@@ -975,7 +975,7 @@ class MobiReader(object):
             processed_records.append(i)
             data  = self.sections[i][0]
             if data[:4] in {b'FLIS', b'FCIS', b'SRCS', b'\xe9\x8e\r\n',
-                    b'RESC', b'BOUN', b'FDST', b'DATP'}:
+                    b'RESC', b'BOUN', b'FDST', b'DATP', b'AUDI', b'VIDE'}:
                 # A FLIS, FCIS, SRCS or EOF record, ignore
                 continue
             buf = cStringIO.StringIO(data)