diff --git a/lib/rewardable/Info.cpp b/lib/rewardable/Info.cpp
index 14b73fa6c..5692e4986 100644
--- a/lib/rewardable/Info.cpp
+++ b/lib/rewardable/Info.cpp
@@ -338,6 +338,7 @@ void Rewardable::Info::configureRewards(
 void Rewardable::Info::configureObject(Rewardable::Configuration & object, CRandomGenerator & rng, IGameCallback * cb) const
 {
 	object.info.clear();
+	object.variables.values.clear();
 
 	configureVariables(object, rng, cb, parameters["variables"]);