diff --git a/qt/base/app.py b/qt/base/app.py
index 7b7d703b..525c0961 100644
--- a/qt/base/app.py
+++ b/qt/base/app.py
@@ -90,7 +90,7 @@ class DupeGuru(QObject):
 
     def _update_options(self):
         self.model.scanner.mix_file_kind = self.prefs.mix_file_kind
-        self.model.options['escape_filter_regexp'] = self.prefs.use_regexp
+        self.model.options['escape_filter_regexp'] = not self.prefs.use_regexp
         self.model.options['clean_empty_dirs'] = self.prefs.remove_empty_folders
         self.model.options['ignore_hardlink_matches'] = self.prefs.ignore_hardlink_matches
         self.model.options['copymove_dest_type'] = self.prefs.destination_type