1 files changed, 6 insertions, 1 deletions
diff --git a/beautifulsoup/builder/html5lib_builder.py b/beautifulsoup/builder/html5lib_builder.py
index a5aaa01..bb0e374 100644
--- a/beautifulsoup/builder/html5lib_builder.py
+++ b/beautifulsoup/builder/html5lib_builder.py
@@ -13,10 +13,15 @@ from beautifulsoup.element import (
 class HTML5TreeBuilder(HTMLTreeBuilder):
     """Use html5lib to build a tree."""
 
+    def prepare_markup(self, markup, user_specified_encoding):
+        # Store the user-specified encoding for use later on.
+        self.user_specified_encoding = user_specified_encoding
+        return markup, None, None
+
     # These methods are defined by Beautiful Soup.
     def feed(self, markup):
         parser = html5lib.HTMLParser(tree=self.create_treebuilder)
-        doc = parser.parse(markup)
+        doc = parser.parse(markup, encoding=self.user_specified_encoding)
 
         # Set the character encoding detected by the tokenizer.
         doc.originalEncoding = parser.tokenizer.stream.charEncoding[0]