diff --git a/src/renderers/CanvasRenderer.js b/src/renderers/CanvasRenderer.js
index b1db1af3398d5d8faca37957ee5a841945f55c04..17a814f1f0c0491063ed4f23c7790e80c1a89a50 100644
--- a/src/renderers/CanvasRenderer.js
+++ b/src/renderers/CanvasRenderer.js
@@ -87,6 +87,11 @@ THREE.CanvasRenderer = function () {
 
 		_clipRect.set( - _canvasWidthHalf, - _canvasHeightHalf, _canvasWidthHalf, _canvasHeightHalf );
 
+		_contextGlobalAlpha = 1;
+		_contextGlobalCompositeOperation = 0;
+		_contextStrokeStyle = null;
+		_contextFillStyle = null;
+		_contextLineWidth = 1;
 	};
 
 	this.setClearColor = function( hex, opacity ) {