diff --git a/src/libcamera/software_isp/debayer.h b/src/libcamera/software_isp/debayer.h
index 214bcdd3c535bae7851d6e0221ba68c19785507d..352ffb89ad9d5a32ed1bbb14253af5e3f21d508c 100644
--- a/src/libcamera/software_isp/debayer.h
+++ b/src/libcamera/software_isp/debayer.h
@@ -47,6 +47,7 @@ public:
 	strideAndFrameSize(const PixelFormat &outputFormat, const Size &size) = 0;
 
 	virtual void process(uint32_t frame, FrameBuffer *input, FrameBuffer *output, DebayerParams params) = 0;
+	void stop() {}
 
 	virtual SizeRange sizes(PixelFormat inputFormat, const Size &inputSize) = 0;
 
diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp
index e8fa8a17a11c63ebab1338a90df204f4a888c4d6..e6bf76f214280194bc20aaaed4b5bc96598436fb 100644
--- a/src/libcamera/software_isp/software_isp.cpp
+++ b/src/libcamera/software_isp/software_isp.cpp
@@ -363,6 +363,9 @@ int SoftwareIsp::start()
  */
 void SoftwareIsp::stop()
 {
+	debayer_->invokeMethod(&Debayer::stop,
+			       ConnectionTypeQueued);
+
 	ispWorkerThread_.exit();
 	ispWorkerThread_.wait();