diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 28dcefe3d19f..49aa27ff20d4 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -725,7 +725,7 @@ int PipelineHandlerIPU3::queueRequest(Camera *camera, Request *request)
 
 	for (auto it : request->buffers()) {
 		IPU3Stream *stream = static_cast<IPU3Stream *>(it.first);
-		Buffer *buffer = it.second;
+		Buffer *buffer = request->findBuffer(stream);
 
 		int ret = stream->device_->dev->queueBuffer(buffer);
 		if (ret < 0)