diff --git a/src/renderer/webgl/renderNodes/Camera.js b/src/renderer/webgl/renderNodes/Camera.js
index 288bf5a74..35c1b2403 100644
--- a/src/renderer/webgl/renderNodes/Camera.js
+++ b/src/renderer/webgl/renderNodes/Camera.js
@@ -37,20 +37,24 @@ var Camera = new Class({
      */
     run: function (drawingContext, children, camera, parentTransformMatrix)
     {
-        // Generate a drawing context.
-        // TODO: Handle FX stacks and framebuffer changeover.
-        var currentContext = drawingContext.getClone();
-        currentContext.autoClear = 0;
-
-        // Set camera scissor.
-        var cx = camera.x;
-        var cy = camera.y;
-        var cw = camera.width;
-        var ch = camera.height;
-        currentContext.setScissorBox(cx, cy, cw, ch);
-
-        // Enter drawing context.
-        currentContext.use();
+        var currentContext = drawingContext;
+        if (camera._customViewport)
+        {
+            // Generate a drawing context.
+            // TODO: Handle FX stacks and framebuffer changeover.
+            currentContext = drawingContext.getClone();
+            currentContext.autoClear = 0;
+    
+            // Set camera scissor.
+            var cx = camera.x;
+            var cy = camera.y;
+            var cw = camera.width;
+            var ch = camera.height;
+            currentContext.setScissorBox(cx, cy, cw, ch);
+    
+            // Enter drawing context.
+            currentContext.use();
+        }
 
         // Draw camera fill.
         if (camera.backgroundColor.alphaGL > 0)
@@ -73,7 +77,10 @@ var Camera = new Class({
 
         // Finish rendering.
 
-        currentContext.release();
+        if (camera._customViewport)
+        {
+            currentContext.release();
+        }
 
         camera.dirty = false;