diff --git a/.gitignore b/.gitignore
index 76add87..6acc570 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
-dist
\ No newline at end of file
+dist
+.DS_Store
\ No newline at end of file
diff --git a/src/ellipse/RubberbandEllipse.js b/src/ellipse/RubberbandEllipse.js
index f905413..c8eb66a 100644
--- a/src/ellipse/RubberbandEllipse.js
+++ b/src/ellipse/RubberbandEllipse.js
@@ -17,7 +17,7 @@ export default class RubberbandEllipse {
 
     this.group = document.createElementNS(SVG_NAMESPACE, 'g');
 
-    this.ellipse = drawEllipse(anchorX, anchorY, 2);
+    this.ellipse = drawEllipse(anchorX, anchorY, 2, 2);
     this.ellipse.setAttribute('class', 'a9s-selection');
 
     this.mask = new Mask(env.image, this.ellipse);