Merge branch 'master' of github.com:airbnb/lottie-web
diff --git a/player/js/mask.js b/player/js/mask.js
index 4529f04..a7d694a 100644
--- a/player/js/mask.js
+++ b/player/js/mask.js
@@ -61,7 +61,7 @@
expansor = createNS('filter');
expansor.setAttribute('id',filterID);
feMorph = createNS('feMorphology');
- feMorph.setAttribute('operator','dilate');
+ feMorph.setAttribute('operator','erode');
feMorph.setAttribute('in','SourceGraphic');
feMorph.setAttribute('radius','0');
expansor.appendChild(feMorph);