diff --git a/hgdriver/hgdev/hg_scanner_302.cpp b/hgdriver/hgdev/hg_scanner_302.cpp
index f7a00c5..cd4493f 100644
--- a/hgdriver/hgdev/hg_scanner_302.cpp
+++ b/hgdriver/hgdev/hg_scanner_302.cpp
@@ -543,6 +543,7 @@ int hg_scanner_302::read_one_image_from_usb(SANE_Image_Statu statu)
 		total = get_front_data_size(),
 		off = 0,
 		ret = SCANNER_ERR_OK;
+	bool popimg = false;
 
 	VLOG_MINI_1(LOG_LEVEL_ALL, "New image size: %u\n", total);
 	if (!waiting_for_memory_enough(total))
@@ -600,7 +601,7 @@ int hg_scanner_302::read_one_image_from_usb(SANE_Image_Statu statu)
 				ret = save_usb_data(buf);
 				if (ret == SCANNER_ERR_OK)
 				{
-					pop_first_image();
+					popimg = true;
 				}
 				else
 				{
@@ -617,6 +618,8 @@ int hg_scanner_302::read_one_image_from_usb(SANE_Image_Statu statu)
 			VLOG_MINI_1(LOG_LEVEL_FATAL, "write command SR_IM_TX failed: %s\n", hg_scanner_err_name(ret));
 		}
 	}
+	if(popimg)
+		pop_first_image();
 
 	return ret;
 }