diff --git a/app/scanner/dialog_fullscreen.cpp b/app/scanner/dialog_fullscreen.cpp
index 8b186f94..68fe0783 100644
--- a/app/scanner/dialog_fullscreen.cpp
+++ b/app/scanner/dialog_fullscreen.cpp
@@ -77,7 +77,7 @@ void Dialog_FullScreen::showImage()
         {
             float scale = 200.0f / 72.0f;
             HGImgFmt_LoadImageFromPdfReader(pdfReader, (HGUInt)m_multiIndex, scale, scale, 0, HGBASE_IMGORIGIN_TOP, &img);
-
+            HGBase_SetImageDpi(img, 200, 200);
             HGImgFmt_ClosePdfReader(pdfReader);
         }
         else
diff --git a/app/scanner/mainwindow.cpp b/app/scanner/mainwindow.cpp
index 6fd82b46..b68da0b8 100644
--- a/app/scanner/mainwindow.cpp
+++ b/app/scanner/mainwindow.cpp
@@ -1351,8 +1351,10 @@ HGImage MainWindow::createImage()
     HGImgFmt_OpenPdfReader(getStdString(m_currFilePath).c_str(), &pdfReader);
     if (nullptr != pdfReader)
     {
+
         float scale = 200.0f / 72.0f;
         HGImgFmt_LoadImageFromPdfReader(pdfReader, (HGUInt)m_multiIndex, scale, scale, 0, HGBASE_IMGORIGIN_TOP, &img);
+        HGBase_SetImageDpi(img, 200, 200);
         HGImgFmt_ClosePdfReader(pdfReader);
     }
     else