diff --git a/Objects/stringobject.c b/Objects/stringobject.c
index 46f46db..c1e12a7 100644
--- a/Objects/stringobject.c
+++ b/Objects/stringobject.c
@@ -449,7 +449,7 @@
     }
 
     /* Decode via the codec registry */
-    v = PyCodec_Decode(str, encoding, errors);
+    v = _PyCodec_DecodeText(str, encoding, errors);
     if (v == NULL)
         goto onError;
 
@@ -529,7 +529,7 @@
     }
 
     /* Encode via the codec registry */
-    v = PyCodec_Encode(str, encoding, errors);
+    v = _PyCodec_EncodeText(str, encoding, errors);
     if (v == NULL)
         goto onError;