diff --git a/Yesod/Markdown.hs b/Yesod/Markdown.hs
--- a/Yesod/Markdown.hs
+++ b/Yesod/Markdown.hs
@@ -59,11 +59,12 @@
 
 markdownField :: RenderMessage master FormMessage => Field sub master Markdown
 markdownField = Field
-    { fieldParse = blank $ Right . Markdown . unlines . lines' . T.unpack
+    { fieldParse = \values _ -> blank (Right . Markdown . unlines . lines' . T.unpack) values
     , fieldView  = \theId name attrs val _isReq -> toWidget
         [hamlet|$newline never
 <textarea id="#{theId}" name="#{name}" *{attrs}>#{either id unMarkdown val}
 |]
+     , fieldEnctype = UrlEncoded
      }
 
      where
diff --git a/yesod-markdown.cabal b/yesod-markdown.cabal
--- a/yesod-markdown.cabal
+++ b/yesod-markdown.cabal
@@ -1,5 +1,5 @@
 name:                yesod-markdown
-version:             0.4.1
+version:             0.5.0
 synopsis:            Tools for using markdown in a yesod application
 description:         A subset of pandoc functionality useful for markdown processing in yesod applications
 homepage:            http://github.com/pbrisbin/yesod-markdown
@@ -20,8 +20,8 @@
                , blaze-html      >= 0.5   && < 0.6
                , xss-sanitize    >= 0.3.1 && < 0.4
                , directory
-               , yesod-core      >= 1.0   && < 1.2
-               , yesod-form      >= 1.0   && < 1.2
+               , yesod-core      >= 1.1.5 && < 1.2
+               , yesod-form      >= 1.2   && < 1.3
                , hamlet          >= 1.1   && < 1.2
                , persistent      >= 0.9   && < 1.1