diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [v1.4.1.2](https://github.com/diagrams/diagrams-lib/tree/v1.4.1.2) (2017-06-10)
+
+- Fix test suite compilation failure [#299](https://github.com/diagrams/diagrams-lib/issues/299).
+
 ## [v1.4.1.1](https://github.com/diagrams/diagrams-lib/tree/v1.4.1.1) (2017-06-06)
 
 - Fix `Diagrams.Points.centroid` to make it total.
diff --git a/diagrams-lib.cabal b/diagrams-lib.cabal
--- a/diagrams-lib.cabal
+++ b/diagrams-lib.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams-lib
-Version:             1.4.1.1
+Version:             1.4.1.2
 Synopsis:            Embedded domain-specific language for declarative graphics
 Description:         Diagrams is a flexible, extensible EDSL for creating
                      graphics of many types.  Graphics can be created
@@ -151,6 +151,7 @@
   other-modules: Diagrams.Test.Direction
                , Diagrams.Test.Trail
                , Diagrams.Test.Transform
+               , Diagrams.Test.Transform.Matrix
                , Diagrams.Test.TwoD.Offset
                , Diagrams.Test.TwoD
                , Diagrams.Test.Angle
diff --git a/test/Diagrams/Test/Transform/Matrix.hs b/test/Diagrams/Test/Transform/Matrix.hs
new file mode 100644
--- /dev/null
+++ b/test/Diagrams/Test/Transform/Matrix.hs
@@ -0,0 +1,26 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+
+-- |
+
+module Diagrams.Test.Transform.Matrix where
+
+
+import           Test.Tasty
+import           Test.Tasty.QuickCheck
+import           Diagrams.Transform.Matrix
+import           Diagrams.Prelude
+import           Data.Distributive (distribute)
+
+import Instances
+
+tests :: TestTree
+tests = testGroup "Transform.Matrix"
+  [
+    testProperty "mkMat column vectors (2D)" $
+      \(Blind (t :: T2 Double)) -> distribute (mkMat t) =~ V2 (transform t unitX) (transform t unitY)
+  , testProperty "mkMat / fromMat22" $
+      \(m :: V2 (V2 Double)) -> mkMat (fromMat22 m zero) =~ m
+
+  , testProperty "mkMat / fromMat33" $
+      \(m :: V3 (V3 Double)) -> mkMat (fromMat33 m zero) =~ m
+  ]