diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,8 @@
+1.15
+----
+* Renamed `Linear.Perspective` to `Linear.Projection`.
+* Fixed a build issue with GHC HEAD.
+
 1.14.0.1
 --------
 * Fixed test failures caused by 1.14
diff --git a/linear.cabal b/linear.cabal
--- a/linear.cabal
+++ b/linear.cabal
@@ -1,6 +1,6 @@
 name:          linear
 category:      Math, Algebra
-version:       1.14.0.1
+version:       1.15
 license:       BSD3
 cabal-version: >= 1.8
 license-file:  LICENSE
@@ -59,9 +59,9 @@
     Linear.Instances
     Linear.Matrix
     Linear.Metric
-    Linear.Perspective
     Linear.Plucker
     Linear.Plucker.Coincides
+    Linear.Projection
     Linear.Quaternion
     Linear.Trace
     Linear.V
diff --git a/src/Linear/Matrix.hs b/src/Linear/Matrix.hs
--- a/src/Linear/Matrix.hs
+++ b/src/Linear/Matrix.hs
@@ -1,5 +1,6 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE TypeFamilies #-}
 #if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
 {-# LANGUAGE Trustworthy #-}
 #endif
diff --git a/src/Linear/Perspective.hs b/src/Linear/Perspective.hs
deleted file mode 100644
--- a/src/Linear/Perspective.hs
+++ /dev/null
@@ -1,102 +0,0 @@
----------------------------------------------------------------------------
--- |
--- Copyright   :  (C) 2014 Edward Kmett
--- License     :  BSD-style (see the file LICENSE)
---
--- Maintainer  :  Edward Kmett <ekmett@gmail.com>
--- Stability   :  experimental
--- Portability :  non-portable
---
--- Common perspective transformation matrices.
----------------------------------------------------------------------------
-module Linear.Perspective
-  ( lookAt
-  , perspective
-  , infinitePerspective
-  , ortho
-  ) where
-
-import Control.Lens hiding (index)
-import Linear.V3
-import Linear.V4
-import Linear.Matrix
-import Linear.Epsilon
-import Linear.Metric
-
--- | Build a look at view matrix
-lookAt
-  :: (Epsilon a, Floating a)
-  => V3 a -- ^ Eye
-  -> V3 a -- ^ Center
-  -> V3 a -- ^ Up
-  -> M44 a
-lookAt eye center up =
-  V4 (V4 (xa^._x)  (xa^._y)  (xa^._z)  xd)
-     (V4 (ya^._x)  (ya^._y)  (ya^._z)  yd)
-     (V4 (-za^._x) (-za^._y) (-za^._z) zd)
-     (V4 0         0         0          1)
-  where za = normalize $ center - eye
-        xa = normalize $ cross za up
-        ya = cross xa za
-        xd = -dot xa eye
-        yd = -dot ya eye
-        zd = dot za eye
-
--- | Build a matrix for a symmetric perspective-view frustum
-perspective
-  :: Floating a
-  => a -- ^ FOV
-  -> a -- ^ Aspect ratio
-  -> a -- ^ Near plane
-  -> a -- ^ Far plane
-  -> M44 a
-perspective fovy aspect near far =
-  V4 (V4 x 0 0    0)
-     (V4 0 y 0    0)
-     (V4 0 0 z    w)
-     (V4 0 0 (-1) 0)
-  where tanHalfFovy = tan $ fovy / 2
-        x = 1 / (aspect * tanHalfFovy)
-        y = 1 / tanHalfFovy
-        z = -(far + near) / (far - near)
-        w = -(2 * far * near) / (far - near)
-
--- | Build a matrix for a symmetric perspective-view frustum with a far plane at infinite
-infinitePerspective
-  :: Floating a
-  => a -- ^ FOV
-  -> a -- ^ Aspect Ratio
-  -> a -- ^ Near plane
-  -> M44 a
-infinitePerspective fovy aspect near =
-  V4 (V4 x 0 0    0)
-     (V4 0 y 0    0)
-     (V4 0 0 (-1) w)
-     (V4 0 0 (-1) 0)
-  where range  = tan (fovy / 2) * near
-        left   = -range * aspect
-        right  = range * aspect
-        bottom = -range
-        top    = range
-        x = (2 * near) / (right - left)
-        y = (2 * near) / (top - bottom)
-        w = -2 * near
-
--- | Build an orthographic perspective matrix from 6 clipping planes
-ortho
-  :: Floating a
-  => a -- ^ Left
-  -> a -- ^ Right
-  -> a -- ^ Bottom
-  -> a -- ^ Top
-  -> a -- ^ Near
-  -> a -- ^ Far
-  -> M44 a
-ortho left right bottom top near far =
-  V4 (V4 (2 / a) 0       0        (negate (right + left) / a))
-     (V4 0       (2 / b) 0        (negate (top + bottom) / b))
-     (V4 0       0       (-2 / c) (negate (far + near) / c))
-     (V4 0       0       0        1)
-  where a = right - left
-        b = top - bottom
-        c = far - near
diff --git a/src/Linear/Projection.hs b/src/Linear/Projection.hs
new file mode 100644
--- /dev/null
+++ b/src/Linear/Projection.hs
@@ -0,0 +1,103 @@
+---------------------------------------------------------------------------
+-- |
+-- Copyright   :  (C) 2014 Edward Kmett
+-- License     :  BSD-style (see the file LICENSE)
+--
+-- Maintainer  :  Edward Kmett <ekmett@gmail.com>
+-- Stability   :  experimental
+-- Portability :  non-portable
+--
+-- Common projection matrices: e.g. perspective/orthographic transformation
+-- matrices.
+---------------------------------------------------------------------------
+module Linear.Projection
+  ( lookAt
+  , perspective
+  , infinitePerspective
+  , ortho
+  ) where
+
+import Control.Lens hiding (index)
+import Linear.V3
+import Linear.V4
+import Linear.Matrix
+import Linear.Epsilon
+import Linear.Metric
+
+-- | Build a look at view matrix
+lookAt
+  :: (Epsilon a, Floating a)
+  => V3 a -- ^ Eye
+  -> V3 a -- ^ Center
+  -> V3 a -- ^ Up
+  -> M44 a
+lookAt eye center up =
+  V4 (V4 (xa^._x)  (xa^._y)  (xa^._z)  xd)
+     (V4 (ya^._x)  (ya^._y)  (ya^._z)  yd)
+     (V4 (-za^._x) (-za^._y) (-za^._z) zd)
+     (V4 0         0         0          1)
+  where za = normalize $ center - eye
+        xa = normalize $ cross za up
+        ya = cross xa za
+        xd = -dot xa eye
+        yd = -dot ya eye
+        zd = dot za eye
+
+-- | Build a matrix for a symmetric perspective-view frustum
+perspective
+  :: Floating a
+  => a -- ^ FOV
+  -> a -- ^ Aspect ratio
+  -> a -- ^ Near plane
+  -> a -- ^ Far plane
+  -> M44 a
+perspective fovy aspect near far =
+  V4 (V4 x 0 0    0)
+     (V4 0 y 0    0)
+     (V4 0 0 z    w)
+     (V4 0 0 (-1) 0)
+  where tanHalfFovy = tan $ fovy / 2
+        x = 1 / (aspect * tanHalfFovy)
+        y = 1 / tanHalfFovy
+        z = -(far + near) / (far - near)
+        w = -(2 * far * near) / (far - near)
+
+-- | Build a matrix for a symmetric perspective-view frustum with a far plane at infinite
+infinitePerspective
+  :: Floating a
+  => a -- ^ FOV
+  -> a -- ^ Aspect Ratio
+  -> a -- ^ Near plane
+  -> M44 a
+infinitePerspective fovy aspect near =
+  V4 (V4 x 0 0    0)
+     (V4 0 y 0    0)
+     (V4 0 0 (-1) w)
+     (V4 0 0 (-1) 0)
+  where range  = tan (fovy / 2) * near
+        left   = -range * aspect
+        right  = range * aspect
+        bottom = -range
+        top    = range
+        x = (2 * near) / (right - left)
+        y = (2 * near) / (top - bottom)
+        w = -2 * near
+
+-- | Build an orthographic perspective matrix from 6 clipping planes
+ortho
+  :: Floating a
+  => a -- ^ Left
+  -> a -- ^ Right
+  -> a -- ^ Bottom
+  -> a -- ^ Top
+  -> a -- ^ Near
+  -> a -- ^ Far
+  -> M44 a
+ortho left right bottom top near far =
+  V4 (V4 (2 / a) 0       0        (negate (right + left) / a))
+     (V4 0       (2 / b) 0        (negate (top + bottom) / b))
+     (V4 0       0       (-2 / c) (negate (far + near) / c))
+     (V4 0       0       0        1)
+  where a = right - left
+        b = top - bottom
+        c = far - near