diff --git a/fidonet/bitparser.py b/fidonet/bitparser.py
index e314e41..fdf2e1c 100644
--- a/fidonet/bitparser.py
+++ b/fidonet/bitparser.py
@@ -151,7 +151,7 @@ def unpack(self, bits):
         try:
             for f in self._fieldlist:
                 data[f.name] = f.unpack(bits)
-        except bitstring.errors.ReadError:
+        except bitstring.ReadError:
             if not f.missingok:
                 raise EndOfData