diff --git a/diagrams-postscript.cabal b/diagrams-postscript.cabal
--- a/diagrams-postscript.cabal
+++ b/diagrams-postscript.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams-postscript
-Version:             0.6
+Version:             0.6.0.1
 Synopsis:            Postscript backend for diagrams drawing EDSL
 Description:         This package provides a modular backend for rendering
                      diagrams created with the diagrams EDSL using Postscript.
diff --git a/src/Graphics/Rendering/Postscript.hs b/src/Graphics/Rendering/Postscript.hs
--- a/src/Graphics/Rendering/Postscript.hs
+++ b/src/Graphics/Rendering/Postscript.hs
@@ -68,7 +68,7 @@
   , setFontSize
   ) where
 
-import Diagrams.Attributes(Color(..),LineCap(..),LineJoin(..),colorToSRGBA)
+import Diagrams.Attributes(Color(..),LineCap(..),LineJoin(..),colorToRGBA)
 import Diagrams.TwoD.Path hiding (stroke)
 import Control.Monad.Writer
 import Control.Monad.State
@@ -304,7 +304,7 @@
 
 colorPS :: Color c => c -> [Double]
 colorPS c = [ r, g, b ]
-  where (r,g,b,_) = colorToSRGBA c
+  where (r,g,b,_) = colorToRGBA c
 
 -- | Set the color of the stroke.
 strokeColor :: (Color c) => c -> Render ()