diff --git a/IHaskell/Display/Diagrams.hs b/IHaskell/Display/Diagrams.hs
--- a/IHaskell/Display/Diagrams.hs
+++ b/IHaskell/Display/Diagrams.hs
@@ -34,11 +34,11 @@
   renderCairo filename (mkSizeSpec2D (Just imgWidth) (Just imgHeight)) renderable
 
   -- Convert to base64.
-  imgData <- readFile filename
+  imgData <- Char.readFile filename
   let value =
         case format of
-          PNG -> png (floor imgWidth) (floor imgHeight) $ base64 (Char.pack imgData)
-          SVG -> svg imgData
+          PNG -> png (floor imgWidth) (floor imgHeight) $ base64 imgData
+          SVG -> svg (Char.unpack imgData)
 
   return value
 
diff --git a/IHaskell/Display/Diagrams/Animation.hs b/IHaskell/Display/Diagrams/Animation.hs
--- a/IHaskell/Display/Diagrams/Animation.hs
+++ b/IHaskell/Display/Diagrams/Animation.hs
@@ -48,8 +48,8 @@
   mainRender (diagOpts, gifOpts) frameSet
 
   -- Convert to ascii represented base64 encoding
-  imgData <- readFile filename
-  return . T.unpack . base64 . CBS.pack $ imgData
+  imgData <- CBS.readFile filename
+  return . T.unpack . base64 $ imgData
 
 -- Rendering hint.
 animation :: Animation Cairo V2 Double -> Animation Cairo V2 Double
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,2 +1,3 @@
-import Distribution.Simple
+import           Distribution.Simple
+
 main = defaultMain
diff --git a/ihaskell-diagrams.cabal b/ihaskell-diagrams.cabal
--- a/ihaskell-diagrams.cabal
+++ b/ihaskell-diagrams.cabal
@@ -7,7 +7,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.3.0.0
+version:             0.3.1.0
 
 -- A short (one-line) description of the package.
 synopsis:            IHaskell display instances for diagram types