diff --git a/src/libcamera/pipeline/rpi/vc4/vc4.cpp b/src/libcamera/pipeline/rpi/vc4/vc4.cpp
index 26102ea7..d76389f3 100644
--- a/src/libcamera/pipeline/rpi/vc4/vc4.cpp
+++ b/src/libcamera/pipeline/rpi/vc4/vc4.cpp
@@ -906,7 +906,7 @@ void Vc4CameraData::setCameraTimeout(uint32_t maxFrameLengthMs)
 
 void Vc4CameraData::tryRunPipeline()
 {
-	FrameBuffer *embeddedBuffer;
+	FrameBuffer *embeddedBuffer = nullptr;
 	BayerFrame bayerFrame;
 
 	/* If any of our request or buffer queues are empty, we cannot proceed. */
@@ -945,6 +945,7 @@ void Vc4CameraData::tryRunPipeline()
 	params.requestControls = request->controls();
 	params.ipaContext = request->sequence();
 	params.delayContext = bayerFrame.delayContext;
+	params.buffers.embedded = 0;
 
 	if (embeddedBuffer) {
 		unsigned int embeddedId = unicam_[Unicam::Embedded].getBufferId(embeddedBuffer);