diff --git a/app/scanner/mainwindow.cpp b/app/scanner/mainwindow.cpp
index 593ce759..f57e1f7a 100644
--- a/app/scanner/mainwindow.cpp
+++ b/app/scanner/mainwindow.cpp
@@ -1908,16 +1908,26 @@ void MainWindow::on_act_adjust_triggered()
         return;
     }
 
+    HGUInt xDpi = 0;
+    HGUInt yDpi = 0;
+    HGBase_GetImageDpi(img, &xDpi, &yDpi);
+
     Dialog_ImgProc_Adjust dlg(img, this);
     connect(&dlg, SIGNAL(applyToImage(HGImage)), this, SLOT(on_dialog_adjust_applyToImage(HGImage)));
+
+    HGImage image = NULL;
     if (dlg.exec())
     {
-        m_view->addImage(dlg.getAfterImage());
+        image = dlg.getAfterImage();
+        HGBase_SetImageDpi(image, xDpi, yDpi);
+        m_view->addImage(image);
         m_modify = true;
     }
     else
     {
-        m_view->addImage(dlg.getBeforeImage());
+        image = dlg.getBeforeImage();
+        HGBase_SetImageDpi(image, xDpi, yDpi);
+        m_view->addImage(image);
     }
 
     updateStatusBarPixelInfo();