diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 57f49b7..32fa2c3 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -4755,6 +4755,7 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 	}
 	else if (code == IO_CTRL_CODE_SET_CIS_IMAGE)
 	{
+		is_lens_dirty = false;
 		return on_cis_get_image(*((bool*)data));
 	}
 	else if(code == IO_CTRL_CODE_GET_IMAGE)