diff --git a/utils/parsedb.py b/utils/parsedb.py
index 50019426..011a5ab2 100755
--- a/utils/parsedb.py
+++ b/utils/parsedb.py
@@ -11,6 +11,9 @@ def run(fnin, fnout=None, strict=False, verbose=False):
         line = line.strip()
         if line == '':
             continue
+        # TODO: figure out what to do with masks
+        if line.startswith("bit "):
+            continue
         tag, bits, mode = util.parse_db_line(line)
         if strict:
             assert not mode, "strict: got ill defined line: %s" % (line, )