diff --git a/media/codec2/sfplugin/CCodec.cpp b/media/codec2/sfplugin/CCodec.cpp
index 0d093da..cc132de 100644
--- a/media/codec2/sfplugin/CCodec.cpp
+++ b/media/codec2/sfplugin/CCodec.cpp
@@ -1320,7 +1320,8 @@
         Mutexed<std::unique_ptr<Config>>::Locked configLocked(mConfig);
         const std::unique_ptr<Config> &config = *configLocked;
         inputFormat = config->mInputFormat;
-        outputFormat = config->mOutputFormat;
+        // start triggers format dup
+        outputFormat = config->mOutputFormat = config->mOutputFormat->dup();
         if (config->mInputSurface) {
             err2 = config->mInputSurface->start();
         }
diff --git a/media/codec2/sfplugin/CCodecBufferChannel.cpp b/media/codec2/sfplugin/CCodecBufferChannel.cpp
index b869bd9..e85e73a 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.cpp
+++ b/media/codec2/sfplugin/CCodecBufferChannel.cpp
@@ -1251,7 +1251,7 @@
         } else {
             output->buffers.reset(new LinearOutputBuffers(mName));
         }
-        output->buffers->setFormat(outputFormat->dup());
+        output->buffers->setFormat(outputFormat);
 
 
         // Try to set output surface to created block pool if given.