diff --git a/src/script/script_manager.cpp b/src/script/script_manager.cpp
index 259de775..dbd1d9c4 100644
--- a/src/script/script_manager.cpp
+++ b/src/script/script_manager.cpp
@@ -321,7 +321,7 @@ void SetScriptManager::updateRecursive(deque<ToUpdate>& to_update, Age starting_
 
 void SetScriptManager::updateToUpdate(const ToUpdate& u, deque<ToUpdate>& to_update, Age starting_age) {
   Age age = u.value->last_script_update;
-  if (starting_age < age)  return; // this value was already updated
+  if (starting_age <= age)  return; // this value was already updated
   Context& ctx = getContext(u.card);
   bool changes = false;
   try {
diff --git a/src/util/age.hpp b/src/util/age.hpp
index b3a6c24b..2c187da2 100644
--- a/src/util/age.hpp
+++ b/src/util/age.hpp
@@ -40,6 +40,8 @@ public:
   /// Compare two ages, smaller means earlier
   inline bool operator < (Age a) const { return age < a.age; }
   /// Compare two ages
+  inline bool operator <= (Age a) const { return age <= a.age; }
+  /// Compare two ages
   inline bool operator == (Age a) const { return age == a.age; }
   
   /// A number corresponding to the age