diff --git a/src/renderers/webgl/WebGLShadowMap.js b/src/renderers/webgl/WebGLShadowMap.js
index 9d2112b9231c0b24c1dcb992d5e1a3554cf4f181..b15f88251b8671bf0976182a739d991aefb8bf1e 100644
--- a/src/renderers/webgl/WebGLShadowMap.js
+++ b/src/renderers/webgl/WebGLShadowMap.js
@@ -295,6 +295,7 @@ THREE.WebGLShadowMap = function ( _renderer, _lights, _objects ) {
 
 		}
 
+		_renderer.setRenderTarget( null );
 		_renderer.setViewport( _vector4.x, _vector4.y, _vector4.z, _vector4.w );
 
 		// Restore GL state.