diff --git a/Lib/encodings/utf_8_sig.py b/Lib/encodings/utf_8_sig.py
index cd14ab0765e4..f05f6b88db26 100644
--- a/Lib/encodings/utf_8_sig.py
+++ b/Lib/encodings/utf_8_sig.py
@@ -30,9 +30,9 @@ def __init__(self, errors='strict'):
     def encode(self, input, final=False):
         if self.first:
             self.first = False
-            return codecs.BOM_UTF8 + codecs.utf_8_encode(input, errors)[0]
+            return codecs.BOM_UTF8 + codecs.utf_8_encode(input, self.errors)[0]
         else:
-            return codecs.utf_8_encode(input, errors)[0]
+            return codecs.utf_8_encode(input, self.errors)[0]
 
     def reset(self):
         codecs.IncrementalEncoder.reset(self)
diff --git a/Lib/encodings/uu_codec.py b/Lib/encodings/uu_codec.py
index 0877fe1ab07c..43fb93c1b7f4 100644
--- a/Lib/encodings/uu_codec.py
+++ b/Lib/encodings/uu_codec.py
@@ -102,11 +102,11 @@ def decode(self,input,errors='strict'):
 
 class IncrementalEncoder(codecs.IncrementalEncoder):
     def encode(self, input, final=False):
-        return uu_encode(input, errors)[0]
+        return uu_encode(input, self.errors)[0]
 
 class IncrementalDecoder(codecs.IncrementalDecoder):
     def decode(self, input, final=False):
-        return uu_decode(input, errors)[0]
+        return uu_decode(input, self.errors)[0]
 
 class StreamWriter(Codec,codecs.StreamWriter):
     pass