diff --git a/control/triggers.cpp b/control/triggers.cpp
index 362f4b6..0096deb 100644
--- a/control/triggers.cpp
+++ b/control/triggers.cpp
@@ -74,9 +74,10 @@
         }
 
         // Run action functions for initial event state
-        std::for_each(
-            actions.begin(), actions.end(),
-            [&zone, &group](auto const& action) { action(zone, group); });
+        std::for_each(actions.begin(), actions.end(),
+                      [&zone, &group](const auto& action) {
+                          action(zone, group);
+                      });
     };
 }