1 files changed, 2 insertions, 2 deletions
diff --git a/subv.py b/subv.py
index dd45b16..ed30308 100644
--- a/subv.py
+++ b/subv.py
@@ -299,8 +299,8 @@ def format_part(part):
     >>> format_part(('$label:suff', 'tag'))
     '$label:suff/tag'
     """
-    if isinstance(part, bits.Bitfield):
-        part = ('{:02x}'.format(part.val), part.size)
+    if isinstance(part, bits.WordBase):
+        return str(part)
     elif not is_reference(part):
         first = '{:02x}'.format(part[0])
         part = (first, *part[1:])