diff --git a/NEWS b/NEWS
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+v0.8.0.2	2017-06-29	imports
+
+Add imports to fix build with even older GHC versions.
+
+
 v0.8.0.1	2017-06-29	semigroups
 
 Depend on semigroups to fix build with older GHC versions.
diff --git a/hp2pretty.cabal b/hp2pretty.cabal
--- a/hp2pretty.cabal
+++ b/hp2pretty.cabal
@@ -1,5 +1,5 @@
 Name:                hp2pretty
-Version:             0.8.0.1
+Version:             0.8.0.2
 Synopsis:            generate pretty graphs from heap profiles
 Description:         hp2pretty is a rewrite of hp2ps, implemented in Haskell, with
                      the aims of being maintainable, with more flexible output, and
@@ -80,4 +80,4 @@
 Source-repository this
   type:                git
   location:            https://code.mathr.co.uk/hp2pretty.git
-  tag:                 v0.8.0.1
+  tag:                 v0.8.0.2
diff --git a/src/SVG.hs b/src/SVG.hs
--- a/src/SVG.hs
+++ b/src/SVG.hs
@@ -4,7 +4,7 @@
 import Data.Text (Text, pack)
 import qualified Data.Text as T
 import Data.List (intersperse)
-import Data.Monoid ((<>))
+import Data.Monoid ((<>), mconcat)
 import Numeric (showHex)
 import Text.FShow.RealFloat (fshow, Double7(D7))