diff --git a/core/src/com/unciv/models/ruleset/Building.kt b/core/src/com/unciv/models/ruleset/Building.kt
index e7f0481c29..89e6705321 100644
--- a/core/src/com/unciv/models/ruleset/Building.kt
+++ b/core/src/com/unciv/models/ruleset/Building.kt
@@ -456,6 +456,11 @@ class Building : RulesetStatsObject(), INonPerpetualConstruction {
         }
 
         val rejectionReasons = getRejectionReasons(cityConstructions)
+
+        if (rejectionReasons.any { it.type == RejectionReasonType.RequiresBuildingInSomeCities }
+                && cityConstructions.city.civ.gameInfo.gameParameters.oneCityChallenge)
+            return false // You will never be able to get more cities, this building is effectively disabled
+
         return rejectionReasons.none { !it.shouldShow }
             || (
                 canBePurchasedWithAnyStat(cityConstructions.city)
@@ -539,7 +544,7 @@ class Building : RulesetStatsObject(), INonPerpetualConstruction {
                         val equivalentBuildingName = civ.getEquivalentBuilding(buildingName).name
                         yield(
                                 // replace with civ-specific building for user
-                                RejectionReasonType.RequiresBuildingInAllCities.toInstance(
+                                RejectionReasonType.RequiresBuildingInSomeCities.toInstance(
                                     unique.text.fillPlaceholders(equivalentBuildingName, numberOfCitiesRequired.toString()) +
                                             " ($numberOfCitiesWithBuilding/$numberOfCitiesRequired)"
                                 ) )
diff --git a/core/src/com/unciv/models/ruleset/IConstruction.kt b/core/src/com/unciv/models/ruleset/IConstruction.kt
index 94fae917c5..d26187470d 100644
--- a/core/src/com/unciv/models/ruleset/IConstruction.kt
+++ b/core/src/com/unciv/models/ruleset/IConstruction.kt
@@ -174,6 +174,7 @@ enum class RejectionReasonType(val shouldShow: Boolean, val errorMessage: String
 
     RequiresBuildingInThisCity(true, "Requires a specific building in this city!"),
     RequiresBuildingInAllCities(true, "Requires a specific building in all cities!"),
+    RequiresBuildingInSomeCities(true, "Requires a specific building in more cities!"),
     RequiresBuildingInSomeCity(true, "Requires a specific building anywhere in your empire!"),
 
     WonderAlreadyBuilt(false, "Wonder already built"),