diff --git a/include/libcamera/internal/process.h b/include/libcamera/internal/process.h
index b1d07a5a5..58e3e41ce 100644
--- a/include/libcamera/internal/process.h
+++ b/include/libcamera/internal/process.h
@@ -42,6 +42,8 @@ public:
 	Signal<enum ExitStatus, int> finished;
 
 private:
+	LIBCAMERA_DISABLE_COPY_AND_MOVE(Process)
+
 	void closeAllFdsExcept(const std::vector<int> &fds);
 	int isolate();
 	void died(int wstatus);