diff --git a/hindent.cabal b/hindent.cabal
--- a/hindent.cabal
+++ b/hindent.cabal
@@ -1,5 +1,5 @@
 name:                hindent
-version:             4.2.2
+version:             4.2.3
 synopsis:            Extensible Haskell pretty printer
 description:         Extensible Haskell pretty printer. Both a library and an executable.
                      .
diff --git a/src/HIndent/Styles/ChrisDone.hs b/src/HIndent/Styles/ChrisDone.hs
--- a/src/HIndent/Styles/ChrisDone.hs
+++ b/src/HIndent/Styles/ChrisDone.hs
@@ -192,6 +192,14 @@
   do col <- fmap (psColumn . snd)
                  (sandbox (write ""))
      infixApp e a op b (Just col)
+stmt _ (Generator _ p e) =
+  do indentSpaces <- getIndentSpaces
+     pretty p
+     indented indentSpaces
+              (dependOrNewline
+                 (write " <- ")
+                 e
+                 pretty)
 stmt _ e = prettyNoExt e
 
 -- | Expressions