1 files changed, 1 insertions, 1 deletions
diff --git a/gui/mapping-dialog.cpp b/gui/mapping-dialog.cpp
index 68e61041..fbe274e0 100644
--- a/gui/mapping-dialog.cpp
+++ b/gui/mapping-dialog.cpp
@@ -118,7 +118,7 @@ void MapWidget::load()
             connect(&axis.opts.altp,
                     base_value::value_changed<bool>(),
                     this,
-                    [&](bool f) -> void {qfc.setEnabled(f); qfc.force_redraw();});
+                    [&](bool f) {qfc.setEnabled(f); qfc.force_redraw();});
             qfc.setEnabled(axis.opts.altp);
             qfc.force_redraw();
         }