1 files changed, 1 insertions, 1 deletions
diff --git a/src/Reactor.cpp b/src/Reactor.cpp
index 44bca82..9fdb317 100644
--- a/src/Reactor.cpp
+++ b/src/Reactor.cpp
@@ -58,7 +58,7 @@ Reactor::Reactor(Configuration& conf,
 void
 Reactor::operator()(const action::ChangeSetting& action)
 {
-  SettingVisitor visitor{_conf};
+  const SettingVisitor visitor{_conf};
   std::visit(visitor, action.setting);
 }