diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp
index e37b65b..1799e0b 100644
--- a/libs/gui/IGraphicBufferProducer.cpp
+++ b/libs/gui/IGraphicBufferProducer.cpp
@@ -830,7 +830,8 @@
             sizeof(height) +
             sizeof(transformHint) +
             sizeof(numPendingBuffers) +
-            sizeof(nextFrameNumber);
+            sizeof(nextFrameNumber) +
+            sizeof(bufferReplaced);
 }
 
 size_t IGraphicBufferProducer::QueueBufferOutput::getFlattenedSize() const {
@@ -853,6 +854,7 @@
     FlattenableUtils::write(buffer, size, transformHint);
     FlattenableUtils::write(buffer, size, numPendingBuffers);
     FlattenableUtils::write(buffer, size, nextFrameNumber);
+    FlattenableUtils::write(buffer, size, bufferReplaced);
 
     return frameTimestamps.flatten(buffer, size, fds, count);
 }
@@ -869,6 +871,7 @@
     FlattenableUtils::read(buffer, size, transformHint);
     FlattenableUtils::read(buffer, size, numPendingBuffers);
     FlattenableUtils::read(buffer, size, nextFrameNumber);
+    FlattenableUtils::read(buffer, size, bufferReplaced);
 
     return frameTimestamps.unflatten(buffer, size, fds, count);
 }