diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 0816ee7..106c9bc 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -338,14 +338,13 @@
 {
     SystemRenderer.prototype.resize.call(this, width, height);
 
-    this.gl.viewport(0, 0, this.width, this.height);
-
     this.filterManager.resize(width, height);
     this.renderTarget.resize(width, height);
 
     if(this.currentRenderTarget === this.renderTarget)
     {
         this.renderTarget.activate();
+        this.gl.viewport(0, 0, this.width, this.height);
     }
 };