diff --git a/src/core/renderers/webgl/utils/RenderTarget.js b/src/core/renderers/webgl/utils/RenderTarget.js
index e614d21..0b59219 100644
--- a/src/core/renderers/webgl/utils/RenderTarget.js
+++ b/src/core/renderers/webgl/utils/RenderTarget.js
@@ -326,6 +326,10 @@
      */
     destroy()
     {
+        if (this.frameBuffer.stencil)
+        {
+            this.gl.deleteRenderBuffer(this.frameBuffer.stencil);
+        }
         this.frameBuffer.destroy();
 
         this.frameBuffer = null;