diff --git a/OpenRA.Mods.Common/Traits/Multipliers/UpgradableMultiplierTrait.cs b/OpenRA.Mods.Common/Traits/Multipliers/UpgradableMultiplierTrait.cs
index c7dc103d40..e2bb8e47df 100644
--- a/OpenRA.Mods.Common/Traits/Multipliers/UpgradableMultiplierTrait.cs
+++ b/OpenRA.Mods.Common/Traits/Multipliers/UpgradableMultiplierTrait.cs
@@ -45,6 +45,7 @@ namespace OpenRA.Mods.Common.Traits
 				throw new Exception("No modifiers in " + modifierType + " for " + actorType);
 			this.info = info;
 			IsTraitDisabled = info.UpgradeTypes.Length > 0 && info.BaseLevel > 0;
+			level = IsTraitDisabled ? 0 : info.BaseLevel;
 		}
 
 		public bool AcceptsUpgradeLevel(Actor self, string type, int level)