diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 49b669e..34db5b1 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -774,7 +774,13 @@
 }; // namespace gui
 
 ReleaseCallbackId BufferData::generateReleaseCallbackId() const {
-    return {buffer->getId(), frameNumber};
+    uint64_t bufferId;
+    if (buffer) {
+        bufferId = buffer->getId();
+    } else {
+        bufferId = cachedBuffer.id;
+    }
+    return {bufferId, frameNumber};
 }
 
 status_t BufferData::writeToParcel(Parcel* output) const {