diff --git a/core/src/com/unciv/models/ruleset/IConstruction.kt b/core/src/com/unciv/models/ruleset/IConstruction.kt
index f03f3393e7..0eec713ba4 100644
--- a/core/src/com/unciv/models/ruleset/IConstruction.kt
+++ b/core/src/com/unciv/models/ruleset/IConstruction.kt
@@ -147,6 +147,7 @@ class RejectionReason(val type: RejectionReasonType,
         RejectionReasonType.RequiresBuildingInAllCities,
         RejectionReasonType.RequiresBuildingInThisCity,
         RejectionReasonType.RequiresBuildingInSomeCity,
+        RejectionReasonType.RequiresBuildingInSomeCities,
         RejectionReasonType.CannotBeBuiltUnhappiness,
         RejectionReasonType.PopulationRequirement,
         RejectionReasonType.ConsumesResources,