diff --git a/libs/util/include/psemek/util/behavior_tree.hpp b/libs/util/include/psemek/util/behavior_tree.hpp
index 0e0143c2..3a8eaef4 100644
--- a/libs/util/include/psemek/util/behavior_tree.hpp
+++ b/libs/util/include/psemek/util/behavior_tree.hpp
@@ -318,7 +318,7 @@ namespace psemek::util
 				remaining_time = timeFn(args...);
 			}
 
-			status update(Time dt, Args ... args)
+			status update(Time dt, Args ...)
 			{
 				remaining_time -= dt;
 				if (remaining_time <= 0)