diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..347b5a2
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://EditorConfig.org
+root = true
+
+[**.js]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..347b5a2
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://EditorConfig.org
+root = true
+
+[**.js]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/src/pixi/core/Circle.js b/src/pixi/core/Circle.js
index 47d2e73..cc39a28 100644
--- a/src/pixi/core/Circle.js
+++ b/src/pixi/core/Circle.js
@@ -77,7 +77,7 @@
 */
 PIXI.Circle.prototype.getBounds = function()
 {
-    return new PIXI.Rectangle(this.x - this.radius, this.y - this.radius, this.width, this.height);
+    return new PIXI.Rectangle(this.x - this.radius, this.y - this.radius, this.radius * 2, this.radius * 2);
 };
 
 // constructor

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..347b5a2
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://EditorConfig.org
+root = true
+
+[**.js]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/src/pixi/core/Circle.js b/src/pixi/core/Circle.js
index 47d2e73..cc39a28 100644
--- a/src/pixi/core/Circle.js
+++ b/src/pixi/core/Circle.js
@@ -77,7 +77,7 @@
 */
 PIXI.Circle.prototype.getBounds = function()
 {
-    return new PIXI.Rectangle(this.x - this.radius, this.y - this.radius, this.width, this.height);
+    return new PIXI.Rectangle(this.x - this.radius, this.y - this.radius, this.radius * 2, this.radius * 2);
 };
 
 // constructor
diff --git a/test/lib/pixi/core/Circle.js b/test/lib/pixi/core/Circle.js
new file mode 100644
index 0000000..e7cbd4d
--- /dev/null
+++ b/test/lib/pixi/core/Circle.js
@@ -0,0 +1,22 @@
+function pixi_core_Circle_confirmNewCircle(obj) {
+    var expect = chai.expect;
+
+    expect(obj).to.be.an.instanceof(PIXI.Circle);
+    expect(obj).to.respondTo('clone');
+    expect(obj).to.respondTo('contains');
+    expect(obj).to.respondTo('getBounds');
+
+    expect(obj).to.have.property('x', 0);
+    expect(obj).to.have.property('y', 0);
+    expect(obj).to.have.property('radius', 0);
+}
+
+function pixi_core_Circle_isBoundedByRectangle(obj, rect) {
+    var expect = chai.expect;
+
+    expect(rect).to.have.property('x', obj.x - obj.radius);
+    expect(rect).to.have.property('y', obj.y - obj.radius);
+
+    expect(rect).to.have.property('width', obj.radius * 2);
+    expect(rect).to.have.property('height', obj.radius * 2);
+}

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..347b5a2
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://EditorConfig.org
+root = true
+
+[**.js]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/src/pixi/core/Circle.js b/src/pixi/core/Circle.js
index 47d2e73..cc39a28 100644
--- a/src/pixi/core/Circle.js
+++ b/src/pixi/core/Circle.js
@@ -77,7 +77,7 @@
 */
 PIXI.Circle.prototype.getBounds = function()
 {
-    return new PIXI.Rectangle(this.x - this.radius, this.y - this.radius, this.width, this.height);
+    return new PIXI.Rectangle(this.x - this.radius, this.y - this.radius, this.radius * 2, this.radius * 2);
 };
 
 // constructor
diff --git a/test/lib/pixi/core/Circle.js b/test/lib/pixi/core/Circle.js
new file mode 100644
index 0000000..e7cbd4d
--- /dev/null
+++ b/test/lib/pixi/core/Circle.js
@@ -0,0 +1,22 @@
+function pixi_core_Circle_confirmNewCircle(obj) {
+    var expect = chai.expect;
+
+    expect(obj).to.be.an.instanceof(PIXI.Circle);
+    expect(obj).to.respondTo('clone');
+    expect(obj).to.respondTo('contains');
+    expect(obj).to.respondTo('getBounds');
+
+    expect(obj).to.have.property('x', 0);
+    expect(obj).to.have.property('y', 0);
+    expect(obj).to.have.property('radius', 0);
+}
+
+function pixi_core_Circle_isBoundedByRectangle(obj, rect) {
+    var expect = chai.expect;
+
+    expect(rect).to.have.property('x', obj.x - obj.radius);
+    expect(rect).to.have.property('y', obj.y - obj.radius);
+
+    expect(rect).to.have.property('width', obj.radius * 2);
+    expect(rect).to.have.property('height', obj.radius * 2);
+}
diff --git a/test/unit/pixi/core/Circle.js b/test/unit/pixi/core/Circle.js
index 93a4456..fbcfa17 100644
--- a/test/unit/pixi/core/Circle.js
+++ b/test/unit/pixi/core/Circle.js
@@ -10,13 +10,12 @@
 
     it('Confirm new instance', function () {
         var obj = new Circle();
+        pixi_core_Circle_confirmNewCircle(obj);
+    });
 
-        expect(obj).to.be.an.instanceof(Circle);
-        expect(obj).to.respondTo('clone');
-        expect(obj).to.respondTo('contains');
-
-        expect(obj).to.have.property('x', 0);
-        expect(obj).to.have.property('y', 0);
-        expect(obj).to.have.property('radius', 0);
+    it("getBounds should return Rectangle that bounds the circle", function() {
+        var obj = new Circle(100, 250, 50);
+        var bounds = obj.getBounds();
+        pixi_core_Circle_isBoundedByRectangle(obj, bounds);
     });
 });