diff --git a/src/Shader/Poke.hs b/src/Shader/Poke.hs
index ae3341c05..c06e56e14 100644
--- a/src/Shader/Poke.hs
+++ b/src/Shader/Poke.hs
@@ -89,12 +89,12 @@ pokeShape
     -> IO ()
 pokeShape ptr iptr ieptr counts = VS.mapM_ (pokeShapeObj ptr iptr ieptr counts) . VS.fromList
 
-pokeShapeObj 
+pokeShapeObj
     :: Ptr Float 
     -> Ptr GLushort 
     -> Ptr GLushort 
     -> UMV.MVector (PrimState IO) Int 
-    -> ShapeObj 
+    -> ShapeObj
     -> IO ()
 pokeShapeObj ptr iptr ieptr counts (ShapeObj shType shVerts) = case shType of
     TopPrism size -> pokeTopPrism (size - 2) ptr iptr ieptr counts shVerts
@@ -130,14 +130,12 @@ pokeTopPrismIndex nv iptr counts ioff = do
     UMV.unsafeModify counts (+1) 1
 
 memoTopPrismEdgeIndices :: V.Vector (UV.Vector Int)
-memoTopPrismEdgeIndices = V.generate 10 f
-  where
-    f n = UV.fromList $ topPrismEdgeIndices (n + 2)
+memoTopPrismEdgeIndices = V.generate 10
+    $ UV.fromList . topPrismEdgeIndices . (+ 2)
 
 memoTopPrismIndices :: V.Vector (UV.Vector Int)
-memoTopPrismIndices = V.generate 10 f
-  where
-    f n = UV.fromList $ topPrismIndices (n + 2)
+memoTopPrismIndices = V.generate 10 
+    $ UV.fromList . topPrismIndices . (+ 2)
 
 topPrismEdgeIndices :: Int -> [Int]
 topPrismEdgeIndices n = concatMap f [0..n-1]