diff --git a/ghc-core.cabal b/ghc-core.cabal
--- a/ghc-core.cabal
+++ b/ghc-core.cabal
@@ -1,5 +1,5 @@
 name:           ghc-core
-version:        0.2
+version:        0.3
 license:        BSD3
 license-file:   LICENSE
 author:         Don Stewart
@@ -9,7 +9,8 @@
 synopsis:       Display GHC's core and assembly output in a pager
 description:    A convenient command line wrapper for GHC that displays
                 GHC's optimised core and assembly output in a human
-                readable, colourised manner, in a pager.
+                readable, colourised manner, in a pager. Unix systems
+                only, currently.
                 .
                 Usage: 
                 .
diff --git a/ghc-core.hs b/ghc-core.hs
--- a/ghc-core.hs
+++ b/ghc-core.hs
@@ -105,10 +105,12 @@
     colourPrefs <- readColourPrefs
 
     mv <- getEnvMaybe "PAGER"
-    let less = case mv of Just s -> s ; _ -> "less"
+    let less = case mv of Just s -> case s of "less" -> "less -f" ; _ -> s
+                          _      -> "less -f"
 
     strs' <- polish `fmap` compileWithCore (optGhcExe opts) args
     (strs,tmps) <- do
+        -- TODO this is a bit lazy on my part...
         x <- readProcess "sh" ["-c","ls /tmp/ghc*/*.s | head -1"] []
         case x of
             Left _ -> return (strs', Nothing)