diff --git a/src/MdToHTML.hs b/src/MdToHTML.hs
index 8d9e865..a44a15b 100644
--- a/src/MdToHTML.hs
+++ b/src/MdToHTML.hs
@@ -29,7 +29,7 @@ data MdToken
   | SingleNewline -- A single newline is rendered as a space.
   | Linebreak
   | HorizontalRule
-  | Blockquote MdToken
+  | Blockquote [MdToken]
   | UnordList [MdToken]
   | OrdList [MdToken]
   | Code String