diff --git a/cmds/flatland/GLHelper.cpp b/cmds/flatland/GLHelper.cpp
index 4b5aba9..3155766 100644
--- a/cmds/flatland/GLHelper.cpp
+++ b/cmds/flatland/GLHelper.cpp
@@ -205,7 +205,7 @@
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer, mGraphicBufferAlloc);
     sp<GLConsumer> glc = new GLConsumer(consumer, name,
-            GL_TEXTURE_EXTERNAL_OES, false);
+            GL_TEXTURE_EXTERNAL_OES, false, true);
     glc->setDefaultBufferSize(w, h);
     glc->setDefaultMaxBufferCount(3);
     glc->setConsumerUsageBits(GRALLOC_USAGE_HW_COMPOSER);