diff -rupN original_page/poppler-page.cc modified_page/poppler-page.cc
--- original_page/poppler-page.cc	2012-05-10 22:05:44.000000000 +0200
+++ modified_page/poppler-page.cc	2012-07-18 12:39:11.786365390 +0200
@@ -338,6 +338,18 @@ QImage Page::thumbnail() const
     ret = QImage(data, w, h, rowstride, QImage::Format_RGB888).copy();
     gfree(data);
   }
+  else
+  {
+   ret=renderToImage();
+   w=50;
+   h=75;
+   if (ret.width() > ret.height())
+   {
+    h=50;
+    w=75;
+   }
+   ret = ret.scaled(w,h,Qt::IgnoreAspectRatio);
+  }
   return ret;
 }