diff -rupN --no-dereference gimagereader-3.3.1/qt/src/hocr/HOCROdtExporter.cc gimagereader-3.3.1-new/qt/src/hocr/HOCROdtExporter.cc
--- gimagereader-3.3.1/qt/src/hocr/HOCROdtExporter.cc	2019-07-28 22:59:40.000000000 +0200
+++ gimagereader-3.3.1-new/qt/src/hocr/HOCROdtExporter.cc	2020-07-29 10:33:33.885054379 +0200
@@ -29,6 +29,7 @@
 #include <QDesktopServices>
 #include <QFileInfo>
 #include <QMessageBox>
+#include <QUrl>
 #include <QUuid>
 #include <QXmlStreamWriter>
 #include <quazipfile.h>
diff -rupN --no-dereference gimagereader-3.3.1/qt/src/hocr/HOCRTextExporter.cc gimagereader-3.3.1-new/qt/src/hocr/HOCRTextExporter.cc
--- gimagereader-3.3.1/qt/src/hocr/HOCRTextExporter.cc	2019-07-28 22:59:40.000000000 +0200
+++ gimagereader-3.3.1-new/qt/src/hocr/HOCRTextExporter.cc	2020-07-29 10:33:33.885054379 +0200
@@ -28,6 +28,7 @@
 #include <QFileInfo>
 #include <QMessageBox>
 #include <QTextStream>
+#include <QUrl>
 
 bool HOCRTextExporter::run(const HOCRDocument* hocrdocument, QString& filebasename) {
 	QString suggestion = filebasename;