diff --git a/OpenRA.Mods.Common/Traits/Player/GrantConditionOnPrerequisiteManager.cs b/OpenRA.Mods.Common/Traits/Player/GrantConditionOnPrerequisiteManager.cs
index 5328c3ec1b..3ef192cb66 100644
--- a/OpenRA.Mods.Common/Traits/Player/GrantConditionOnPrerequisiteManager.cs
+++ b/OpenRA.Mods.Common/Traits/Player/GrantConditionOnPrerequisiteManager.cs
@@ -36,7 +36,7 @@ namespace OpenRA.Mods.Common.Traits
 
 		static string MakeKey(string[] prerequisites)
 		{
-			return "upgrade_" + string.Join("_", prerequisites.OrderBy(a => a));
+			return "condition_" + string.Join("_", prerequisites.OrderBy(a => a));
 		}
 
 		public void Register(Actor actor, GrantConditionOnPrerequisite u, string[] prerequisites)