diff --git a/src/renderer/webgl/base/rendertarget.js b/src/renderer/webgl/base/rendertarget.js
index b2605c88..499666da 100644
--- a/src/renderer/webgl/base/rendertarget.js
+++ b/src/renderer/webgl/base/rendertarget.js
@@ -70,16 +70,13 @@ XML3D.extend(GLRenderTarget.prototype, {
     }, getScale: function () {
         return this.scale;
     }, bind: function () {
-        var created = false;
         if (!this.handle) {
             this.createFrameBuffer(this.opt.colorFormat, this.opt.depthFormat, this.opt.stencilFormat);
-            created = true;
         }
         if (this.valid) {
             var gl = this.context.gl;
             gl.bindFramebuffer(gl.FRAMEBUFFER, this.handle);
-            // Set default viewport
-            created && gl.viewport(0, 0, this.width, this.height);
+            gl.viewport(0, 0, this.width, this.height);
         }
     }, unbind: function () {
         var gl = this.context.gl;
@@ -306,16 +303,13 @@ XML3D.extend(GLScaledRenderTarget.prototype, {
             return this.scale;
         },
         bind: function (side) {
-            var created = false;
             if (this.framebuffers.length <= 0) {
                 this.createFrameBuffers(this.opt.colorFormat, this.opt.depthFormat, this.opt.stencilFormat);
-                created = true;
             }
             if (this.valid) {
                 var gl = this.context.gl;
                 gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffers[side]);
-                // Set default viewport
-                created && gl.viewport(0, 0, this.width, this.height);
+                gl.viewport(0, 0, this.width, this.height);
             }
         },
         unbind: function () {
diff --git a/src/renderer/webgl/render-passes/forward.js b/src/renderer/webgl/render-passes/forward.js
index 4a406a5f..5898f076 100644
--- a/src/renderer/webgl/render-passes/forward.js
+++ b/src/renderer/webgl/render-passes/forward.js
@@ -29,7 +29,6 @@ XML3D.extend(ForwardRenderPass.prototype, {
 
             target.bind();
             this.setGLStates();
-            gl.viewport(0, 0, width, height);
 
             scene.updateReadyObjectsFromActiveView(aspect);
             scene.getActiveView().getWorldToViewMatrix(c_worldToViewMatrix);
diff --git a/src/renderer/webgl/render-passes/light-pass.js b/src/renderer/webgl/render-passes/light-pass.js
index 69887ce6..2dde703d 100644
--- a/src/renderer/webgl/render-passes/light-pass.js
+++ b/src/renderer/webgl/render-passes/light-pass.js
@@ -36,7 +36,6 @@ XML3D.createClass(LightPass, SceneRenderPass, {
 
             target.bind();
             gl.clear(gl.DEPTH_BUFFER_BIT | gl.COLOR_BUFFER_BIT);
-            gl.viewport(0, 0, width, height);
             gl.enable(gl.DEPTH_TEST);
 
             var count = {objects: 0, primitives: 0};
diff --git a/src/renderer/webgl/render-passes/pick-object.js b/src/renderer/webgl/render-passes/pick-object.js
index a79a61d0..713b2f6f 100644
--- a/src/renderer/webgl/render-passes/pick-object.js
+++ b/src/renderer/webgl/render-passes/pick-object.js
@@ -20,7 +20,6 @@ XML3D.extend(PickObjectRenderPass.prototype, {
             gl.enable(gl.DEPTH_TEST);
             gl.disable(gl.CULL_FACE);
             gl.disable(gl.BLEND);
-            gl.viewport(0, 0, target.getWidth(), target.getHeight());
             gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
 
             var program = this.renderInterface.context.programFactory.getPickingObjectIdProgram();
diff --git a/src/renderer/webgl/render-passes/pointlight-pass.js b/src/renderer/webgl/render-passes/pointlight-pass.js
index 53502dd2..cca657be 100644
--- a/src/renderer/webgl/render-passes/pointlight-pass.js
+++ b/src/renderer/webgl/render-passes/pointlight-pass.js
@@ -109,7 +109,6 @@ XML3D.createClass(PointLightPass, SceneRenderPass, {
                 target.bind(side);
 
                 gl.clear(gl.DEPTH_BUFFER_BIT | gl.COLOR_BUFFER_BIT);
-                gl.viewport(0, 0, width, height);
                 gl.enable(gl.DEPTH_TEST);
 
                 var count = {objects: 0, primitives: 0};
diff --git a/src/renderer/webgl/render-passes/ssao-pass.js b/src/renderer/webgl/render-passes/ssao-pass.js
index da9ea34d..4134fe03 100644
--- a/src/renderer/webgl/render-passes/ssao-pass.js
+++ b/src/renderer/webgl/render-passes/ssao-pass.js
@@ -86,7 +86,6 @@ XML3D.extend(SSAOPass.prototype, {
 
             target.bind();
             gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-            gl.viewport(0, 0, target.getWidth(), target.getHeight());
             gl.disable(gl.DEPTH_TEST);
 
             this._program.bind();
diff --git a/src/renderer/webgl/render-passes/vertexattribute-pass.js b/src/renderer/webgl/render-passes/vertexattribute-pass.js
index 089d8734..da18156f 100644
--- a/src/renderer/webgl/render-passes/vertexattribute-pass.js
+++ b/src/renderer/webgl/render-passes/vertexattribute-pass.js
@@ -17,7 +17,6 @@ XML3D.extend(VertexAttributePass.prototype, {
 
         target.bind();
         gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-        gl.viewport(0, 0, target.getWidth(), target.getHeight());
         gl.enable(gl.DEPTH_TEST);
 
         scene.updateReadyObjectsFromActiveView(aspect);