diff -Naur lumina-pdf-1.6.0/src-qt5/Renderer-poppler.cpp lumina-pdf-1.6.0-patched/src-qt5/Renderer-poppler.cpp
--- lumina-pdf-1.6.0/src-qt5/Renderer-poppler.cpp	2020-02-04 20:56:36.000000000 +0100
+++ lumina-pdf-1.6.0-patched/src-qt5/Renderer-poppler.cpp	2020-05-18 13:34:31.211851748 +0200
@@ -72,7 +72,7 @@
   DOC->setRenderHint(Poppler::Document::Antialiasing);
   DOC->setRenderHint(Poppler::Document::TextAntialiasing);
   // qDebug() << "Opening File:" << path;
-  doctitle = DOC->title();
+  // doctitle = DOC->title();
   if (doctitle.isEmpty()) {
     doctitle = path.section("/", -1);
   }