diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index b263b48..893bc1a 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -2687,6 +2687,7 @@ int hg_scanner::save_final_image(hg_imgproc::LPIMGHEAD head, void* buf)
 		img.data = (unsigned char*)buf;
 		img.bytes = head->total_bytes;
 		img.flag.statu = head->statu;
+		img.flag.dpi = resolution_;
 
 		if (img.flag.statu)
 		{