diff --git a/src/libcamera/software_isp/debayer.h b/src/libcamera/software_isp/debayer.h
index c5eb0d38..8fa281c7 100644
--- a/src/libcamera/software_isp/debayer.h
+++ b/src/libcamera/software_isp/debayer.h
@@ -48,6 +48,7 @@ public:
 	strideAndFrameSize(const PixelFormat &outputFormat, const Size &size) = 0;
 
 	virtual void process(uint32_t frame, FrameBuffer *input, FrameBuffer *output, DebayerParams params) = 0;
+	virtual void stop() = 0;
 
 	virtual SizeRange sizes(PixelFormat inputFormat, const Size &inputSize) = 0;
 
diff --git a/src/libcamera/software_isp/debayer_cpu.h b/src/libcamera/software_isp/debayer_cpu.h
index ff72eaba..3cc07028 100644
--- a/src/libcamera/software_isp/debayer_cpu.h
+++ b/src/libcamera/software_isp/debayer_cpu.h
@@ -38,6 +38,7 @@ public:
 	std::tuple<unsigned int, unsigned int>
 	strideAndFrameSize(const PixelFormat &outputFormat, const Size &size);
 	void process(uint32_t frame, FrameBuffer *input, FrameBuffer *output, DebayerParams params);
+	void stop() {}
 	SizeRange sizes(PixelFormat inputFormat, const Size &inputSize);
 
 	/**
diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp
index df72b1c3..1f984a52 100644
--- a/src/libcamera/software_isp/software_isp.cpp
+++ b/src/libcamera/software_isp/software_isp.cpp
@@ -366,6 +366,9 @@ int SoftwareIsp::start()
  */
 void SoftwareIsp::stop()
 {
+	debayer_->invokeMethod(&Debayer::stop,
+			       ConnectionTypeQueued);
+
 	ispWorkerThread_.exit();
 	ispWorkerThread_.wait();