diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 1.4.9
+
+* Added a `ToValue` instance for `Enctype` [#1296](https://github.com/yesodweb/yesod/pull/1296)
+
 ## 1.4.8
 
 * Added Yesod.Form.I18n.Spanish
diff --git a/Yesod/Form/Types.hs b/Yesod/Form/Types.hs
--- a/Yesod/Form/Types.hs
+++ b/Yesod/Form/Types.hs
@@ -24,7 +24,7 @@
 import Control.Monad.Trans.RWS (RWST)
 import Data.Text (Text)
 import Data.Monoid (Monoid (..))
-import Text.Blaze (Markup, ToMarkup (toMarkup))
+import Text.Blaze (Markup, ToMarkup (toMarkup), ToValue (toValue))
 #define Html Markup
 #define ToHtml ToMarkup
 #define toHtml toMarkup
@@ -85,6 +85,9 @@
 instance ToHtml Enctype where
     toHtml UrlEncoded = "application/x-www-form-urlencoded"
     toHtml Multipart = "multipart/form-data"
+instance ToValue Enctype where
+    toValue UrlEncoded = "application/x-www-form-urlencoded"
+    toValue Multipart = "multipart/form-data"
 instance Monoid Enctype where
     mempty = UrlEncoded
     mappend UrlEncoded UrlEncoded = UrlEncoded
diff --git a/yesod-form.cabal b/yesod-form.cabal
--- a/yesod-form.cabal
+++ b/yesod-form.cabal
@@ -1,5 +1,5 @@
 name:            yesod-form
-version:         1.4.8
+version:         1.4.9
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>