diff --git a/src/texstudio.cpp b/src/texstudio.cpp
index 4fe4a52889..7b10a1839d 100644
--- a/src/texstudio.cpp
+++ b/src/texstudio.cpp
@@ -4063,7 +4063,9 @@ void Texstudio::editGotoDefinition(QDocumentCursor c)
             target = defs.keys().constFirst();
             edView = getEditorViewFromHandle(target);
             if(edView->isHidden()){
-                openExternalFile(target->document()->getFileName());
+                LatexDocument *ltxdoc = qobject_cast<LatexDocument*>(target->document());
+                if(ltxdoc)
+                    openExternalFile(ltxdoc->getFileName());
             }
         }
 		if (!edView) return;
diff --git a/src/textanalysis.cpp b/src/textanalysis.cpp
index cc8650631a..d2700f6479 100644
--- a/src/textanalysis.cpp
+++ b/src/textanalysis.cpp
@@ -447,7 +447,8 @@ QByteArray escapeAsCSV(const QString &s)
 
 void TextAnalysisDialog::slotExportButton()
 {
-	QString fn = FileDialog::getSaveFileName(this, tr("CSV Export"), editor ? editor->document()->getFileName().replace(".tex", ".csv") : QString(), tr("CSV file") + " (*.csv)" ";;" + tr("All files") + " (*)");
+    LatexDocument *doc=editor ? qobject_cast<LatexDocument*>(editor->document()): nullptr;
+    QString fn = FileDialog::getSaveFileName(this, tr("CSV Export"), doc ? doc->getFileName().replace(".tex", ".csv") : QString(), tr("CSV file") + " (*.csv)" ";;" + tr("All files") + " (*)");
 	if (fn.isEmpty()) return;
 	QFile f(fn);
 	if (!f.open(QFile::WriteOnly))