diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index 3e7f088..fc503dc 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -423,8 +423,16 @@
      */
     lineTo(x, y)
     {
-        this.currentPath.shape.points.push(x, y);
-        this.dirty++;
+        const points = this.currentPath.shape.points;
+
+        const fromX = points[points.length - 2];
+        const fromY = points[points.length - 1];
+
+        if (fromX !== x || fromY !== y)
+        {
+            points.push(x, y);
+            this.dirty++;
+        }
 
         return this;
     }

diff --git a/src/core/graphics/Graphics.js b/src/core/graphics/Graphics.js
index 3e7f088..fc503dc 100644
--- a/src/core/graphics/Graphics.js
+++ b/src/core/graphics/Graphics.js
@@ -423,8 +423,16 @@
      */
     lineTo(x, y)
     {
-        this.currentPath.shape.points.push(x, y);
-        this.dirty++;
+        const points = this.currentPath.shape.points;
+
+        const fromX = points[points.length - 2];
+        const fromY = points[points.length - 1];
+
+        if (fromX !== x || fromY !== y)
+        {
+            points.push(x, y);
+            this.dirty++;
+        }
 
         return this;
     }
diff --git a/test/core/Graphics.js b/test/core/Graphics.js
index 23c277c..971f678 100644
--- a/test/core/Graphics.js
+++ b/test/core/Graphics.js
@@ -104,6 +104,18 @@
             expect(graphics.width).to.be.equals(70);
             expect(graphics.height).to.be.equals(70);
         });
+
+        it('should ignore duplicate calls', function ()
+        {
+            const graphics = new PIXI.Graphics();
+
+            graphics.moveTo(0, 0);
+            graphics.lineTo(0, 0);
+            graphics.lineTo(10, 0);
+            graphics.lineTo(10, 0);
+
+            expect(graphics.currentPath.shape.points).to.deep.equal([0, 0, 10, 0]);
+        });
     });
 
     describe('containsPoint', function ()