diff --git a/media/codec2/sfplugin/FrameReassembler.cpp b/media/codec2/sfplugin/FrameReassembler.cpp
index f8e6937..cf1be17 100644
--- a/media/codec2/sfplugin/FrameReassembler.cpp
+++ b/media/codec2/sfplugin/FrameReassembler.cpp
@@ -143,6 +143,7 @@
 
     if (buffer->size() > 0) {
         mCurrentOrdinal.timestamp = timeUs;
+        mCurrentOrdinal.customOrdinal = timeUs;
     }
 
     size_t frameSizeBytes = mFrameSize.value() * mChannelCount * bytesPerSample();
@@ -219,6 +220,7 @@
 
     ++mCurrentOrdinal.frameIndex;
     mCurrentOrdinal.timestamp += mFrameSize.value() * 1000000 / mSampleRate;
+    mCurrentOrdinal.customOrdinal = mCurrentOrdinal.timestamp;
     mCurrentBlock.reset();
     mWriteView.reset();
 }