diff --git a/Sound/Tidal/Vis.hs b/Sound/Tidal/Vis.hs
--- a/Sound/Tidal/Vis.hs
+++ b/Sound/Tidal/Vis.hs
@@ -19,6 +19,7 @@
       C.save 
       C.scale x y
       C.setOperator C.OperatorOver
+      C.setAntialias C.AntialiasNone
       C.setSourceRGB 0 0 0 
       C.rectangle 0 0 1 1
       C.fill
diff --git a/tidal-vis.cabal b/tidal-vis.cabal
--- a/tidal-vis.cabal
+++ b/tidal-vis.cabal
@@ -1,5 +1,5 @@
 name:                tidal-vis
-version:             0.1.3
+version:             0.1.4
 synopsis:            Visual rendering for Tidal patterns
 -- description:         
 homepage:            http://yaxu.org/tidal/