From 43ecb3f8cf5f365fc947a842e2deaf1afd4ae0c7 Mon Sep 17 00:00:00 2001
From: yangjiaxuan <171295266@qq.com>
Date: Mon, 30 Oct 2023 11:29:29 +0800
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---
 sane/scanner.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index e16fe95..c5ad8bb 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -3690,6 +3690,7 @@ int scanner::handle_device_event(int ev_code, void* data, unsigned int* len)
 	{
 		if (double_handle_ == DOUBLE_FEED_KEEP)
 		{
+			double_handle_ = DOUBLE_FEED_NEED_UI;
 			if (start_after_keep_.get() && start_after_keep_->joinable())
 				start_after_keep_->join();
 			start_after_keep_.reset(new std::thread(&scanner::thread_start_after_keep, this));