diff --git a/core/src/com/unciv/models/gamebasics/Building.kt b/core/src/com/unciv/models/gamebasics/Building.kt
index 68493d6133..dd0a0503ee 100644
--- a/core/src/com/unciv/models/gamebasics/Building.kt
+++ b/core/src/com/unciv/models/gamebasics/Building.kt
@@ -224,6 +224,8 @@ class Building : NamedStats(), IConstruction{
                 return "Requires a $requiredBuildingInAllCities in all cities"
             if (civInfo.cities.any {it!=construction.cityInfo && it.cityConstructions.isBeingConstructed(name) })
                 return "Wonder is being built elsewhere"
+            if(civInfo.isCityState())
+                return "No world wonders for city state"
         }
 
         if (requiredBuilding != null && !construction.containsBuildingOrEquivalent(requiredBuilding!!))