diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index fbde4c9..83c7b14 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -112,7 +112,7 @@
         },
         set: function (value)
         {
-            this.scale.x = utils.sgn(this.scale.x) * value / this.texture._frame.width;
+            this.scale.x = utils.sign(this.scale.x) * value / this.texture._frame.width;
             this._width = value;
         }
     },
@@ -130,7 +130,7 @@
         },
         set: function (value)
         {
-            this.scale.y = utils.sgn(this.scale.y) * value / this.texture._frame.height;
+            this.scale.y = utils.sign(this.scale.y) * value / this.texture._frame.height;
             this._height = value;
         }
     },
@@ -182,12 +182,12 @@
     // so if _width is 0 then width was not set..
     if (this._width)
     {
-        this.scale.x = utils.sgn(this.scale.x) * this._width / this.texture.frame.width;
+        this.scale.x = utils.sign(this.scale.x) * this._width / this.texture.frame.width;
     }
 
     if (this._height)
     {
-        this.scale.y = utils.sgn(this.scale.y) * this._height / this.texture.frame.height;
+        this.scale.y = utils.sign(this.scale.y) * this._height / this.texture.frame.height;
     }
 };
 

diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index fbde4c9..83c7b14 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -112,7 +112,7 @@
         },
         set: function (value)
         {
-            this.scale.x = utils.sgn(this.scale.x) * value / this.texture._frame.width;
+            this.scale.x = utils.sign(this.scale.x) * value / this.texture._frame.width;
             this._width = value;
         }
     },
@@ -130,7 +130,7 @@
         },
         set: function (value)
         {
-            this.scale.y = utils.sgn(this.scale.y) * value / this.texture._frame.height;
+            this.scale.y = utils.sign(this.scale.y) * value / this.texture._frame.height;
             this._height = value;
         }
     },
@@ -182,12 +182,12 @@
     // so if _width is 0 then width was not set..
     if (this._width)
     {
-        this.scale.x = utils.sgn(this.scale.x) * this._width / this.texture.frame.width;
+        this.scale.x = utils.sign(this.scale.x) * this._width / this.texture.frame.width;
     }
 
     if (this._height)
     {
-        this.scale.y = utils.sgn(this.scale.y) * this._height / this.texture.frame.height;
+        this.scale.y = utils.sign(this.scale.y) * this._height / this.texture.frame.height;
     }
 };
 
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index 420208f..6c51937 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -229,8 +229,8 @@
      * @param n {number}
      * @returns {number} 0 if n is 0, -1 if n is negative, 1 if n i positive
      */
-    sgn: function (n){
-        return n === 0 ? 0 : n < 0 ? -1 : 1;
+    sign: function (n) {
+        return n ? (n < 0 ? -1 : 1) : 0;
     },
 
     /**

diff --git a/src/core/sprites/Sprite.js b/src/core/sprites/Sprite.js
index fbde4c9..83c7b14 100644
--- a/src/core/sprites/Sprite.js
+++ b/src/core/sprites/Sprite.js
@@ -112,7 +112,7 @@
         },
         set: function (value)
         {
-            this.scale.x = utils.sgn(this.scale.x) * value / this.texture._frame.width;
+            this.scale.x = utils.sign(this.scale.x) * value / this.texture._frame.width;
             this._width = value;
         }
     },
@@ -130,7 +130,7 @@
         },
         set: function (value)
         {
-            this.scale.y = utils.sgn(this.scale.y) * value / this.texture._frame.height;
+            this.scale.y = utils.sign(this.scale.y) * value / this.texture._frame.height;
             this._height = value;
         }
     },
@@ -182,12 +182,12 @@
     // so if _width is 0 then width was not set..
     if (this._width)
     {
-        this.scale.x = utils.sgn(this.scale.x) * this._width / this.texture.frame.width;
+        this.scale.x = utils.sign(this.scale.x) * this._width / this.texture.frame.width;
     }
 
     if (this._height)
     {
-        this.scale.y = utils.sgn(this.scale.y) * this._height / this.texture.frame.height;
+        this.scale.y = utils.sign(this.scale.y) * this._height / this.texture.frame.height;
     }
 };
 
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index 420208f..6c51937 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -229,8 +229,8 @@
      * @param n {number}
      * @returns {number} 0 if n is 0, -1 if n is negative, 1 if n i positive
      */
-    sgn: function (n){
-        return n === 0 ? 0 : n < 0 ? -1 : 1;
+    sign: function (n) {
+        return n ? (n < 0 ? -1 : 1) : 0;
     },
 
     /**
diff --git a/test/unit/core/utils/util.test.js b/test/unit/core/utils/util.test.js
index 7f5ee91..ee9e2cb 100644
--- a/test/unit/core/utils/util.test.js
+++ b/test/unit/core/utils/util.test.js
@@ -87,22 +87,22 @@
         });
     });
 
-    describe('.sgn', function () {
+    describe('.sign', function () {
         it('should return 0 for 0', function () {
-            expect(PIXI.utils.sgn(0))
+            expect(PIXI.utils.sign(0))
                 .to.be.equal(0);
         });
 
         it('should return -1 for negative numbers', function () {
             for (var i = 0;i<10;i+=1){
-                expect(PIXI.utils.sgn(-Math.random()))
+                expect(PIXI.utils.sign(-Math.random()))
                     .to.be.equal(-1);
             }
         });
 
         it('should return 1 for positive numbers', function () {
             for (var i = 0;i<10;i+=1){
-                expect(PIXI.utils.sgn(Math.random() + 0.000001))
+                expect(PIXI.utils.sign(Math.random() + 0.000001))
                     .to.be.equal(1);
             }
         });