diff --git a/src/source.cpp b/src/source.cpp
index f9be065..e85a44b 100644
--- a/src/source.cpp
+++ b/src/source.cpp
@@ -1221,7 +1221,7 @@ void Source::View::setup_format_style(bool is_generic_view) {
         if(!ignore_selection && get_buffer()->get_has_selection()) {
           Gtk::TextIter start, end;
           get_buffer()->get_selection_bounds(start, end);
-          command += " –n " + std::to_string(start.get_line() + 1) + '-' + std::to_string(end.get_line() + 1);
+          command += " -n " + std::to_string(start.get_line() + 1) + '-' + std::to_string(end.get_line() + 1);
         }
 
         auto search_path = file_path.parent_path();