diff --git a/hindent.cabal b/hindent.cabal
--- a/hindent.cabal
+++ b/hindent.cabal
@@ -1,5 +1,5 @@
 name:                hindent
-version:             3.6
+version:             3.7
 synopsis:            Extensible Haskell pretty printer
 description:         Extensible Haskell pretty printer. Both a library and an executable.
                      .
diff --git a/src/HIndent/Pretty.hs b/src/HIndent/Pretty.hs
--- a/src/HIndent/Pretty.hs
+++ b/src/HIndent/Pretty.hs
@@ -1098,8 +1098,10 @@
 instance Pretty Bracket where
   prettyInternal x =
     case x of
-      ExpBracket _ _ ->
-        error "FIXME: No implementation for ExpBracket."
+      ExpBracket _ p ->
+        brackets (depend (write "|")
+                         (do pretty p
+                             write "|"))
       PatBracket _ _ ->
         error "FIXME: No implementation for PatBracket."
       TypeBracket _ _ ->