diff --git a/dangerzone/gui/main_window.py b/dangerzone/gui/main_window.py
index e1b6e12..1aac928 100644
--- a/dangerzone/gui/main_window.py
+++ b/dangerzone/gui/main_window.py
@@ -988,6 +988,7 @@ class DocumentWidget(QtWidgets.QWidget):
         self.error_label = QtWidgets.QLabel()
         self.error_label.setAlignment(QtCore.Qt.AlignVCenter | QtCore.Qt.AlignLeft)
         self.error_label.setWordWrap(True)
+        self.error_label.setTextFormat(QtCore.Qt.PlainText)
         self.error_label.hide()  # only show on error
 
         # Progress bar