diff --git a/android/assets/jsons/translations/Dutch.properties b/android/assets/jsons/translations/Dutch.properties
index 2602e64f9c..4eb54e361c 100644
--- a/android/assets/jsons/translations/Dutch.properties
+++ b/android/assets/jsons/translations/Dutch.properties
@@ -87,7 +87,7 @@ Denounce ([numberOfTurns] turns) = Beschuldig ([numberOfTurns] rondes)
 We will remember this. = We zullen dit onthouden.
 
 [civName] has declared war on [targetCivName]! = [civName] heeft de oorlog verklaard aan [targetCivName]!
-[civName] and [targetCivName] have signed the Peace Treaty! = [civName] en [targetCivName] hebben een vredesverdrag getekend!
+[civName] and [targetCivName] have signed a Peace Treaty! = [civName] en [targetCivName] hebben een vredesverdrag getekend!
 [civName] and [targetCivName] have signed the Declaration of Friendship! = [civName] en [targetCivName] hebben een vriendschapsovereenkomst getekend.
 [civName] has denounced [targetCivName]! = [civName] heeft [targetCivName] beschuldigd!
 
diff --git a/android/assets/jsons/translations/Hungarian.properties b/android/assets/jsons/translations/Hungarian.properties
index 18c16802c0..34d9c1e7b1 100644
--- a/android/assets/jsons/translations/Hungarian.properties
+++ b/android/assets/jsons/translations/Hungarian.properties
@@ -79,7 +79,7 @@ Denounce ([numberOfTurns] turns) = Megvádolás ([numberOfTurns] kör)
 We will remember this. = Emlékezni fogunk erre.
 
 [civName] has declared war on [targetCivName]! = [civName] hadat üzent [targetCivName] ellen!
-[civName] and [targetCivName] have signed the Peace Treaty! = [civName] és [targetCivName] aláírták a békeszerződést!
+[civName] and [targetCivName] have signed a Peace Treaty! = [civName] és [targetCivName] aláírták a békeszerződést!
 [civName] and [targetCivName] have signed the Declaration of Friendship! = [civName] és [targetCivName] aláírták a barátsgányilatkozatot!
 [civName] has denounced [targetCivName]! = [civName] megvádolta a [targetCivName] nemzetet!
 
diff --git a/android/assets/jsons/translations/Indonesian.properties b/android/assets/jsons/translations/Indonesian.properties
index 3f37ad7606..8fc898129a 100644
--- a/android/assets/jsons/translations/Indonesian.properties
+++ b/android/assets/jsons/translations/Indonesian.properties
@@ -79,7 +79,7 @@ Denounce ([numberOfTurns] turns) = Hina ([numberOfTurns] giliran)
 We will remember this. = Kami akan mengingat ini.
 
 [civName] has declared war on [targetCivName]! = [civName] menyatakan perang kepada [targetCivName]!
-[civName] and [targetCivName] have signed the Peace Treaty! = [civName] dan [targetCivName] menandatangani Perjanjian Perdamaian!
+[civName] and [targetCivName] have signed a Peace Treaty! = [civName] dan [targetCivName] menandatangani Perjanjian Perdamaian!
 [civName] and [targetCivName] have signed the Declaration of Friendship! = [civName] and [targetCivName] sudah menandatangani Deklarasi Pertemanan!
 [civName] has denounced [targetCivName]! = [civName] telah menghina [targetCivName]!
 
diff --git a/android/assets/jsons/translations/Malay.properties b/android/assets/jsons/translations/Malay.properties
index c9e642d9fa..8be0c90258 100644
--- a/android/assets/jsons/translations/Malay.properties
+++ b/android/assets/jsons/translations/Malay.properties
@@ -126,7 +126,7 @@ We will remember this. = Kami akan ingat perkara ini
  # Requires translation!
 [civName] has declared war on [targetCivName]! = 
  # Requires translation!
-[civName] and [targetCivName] have signed the Peace Treaty! = 
+[civName] and [targetCivName] have signed a Peace Treaty! = 
  # Requires translation!
 [civName] and [targetCivName] have signed the Declaration of Friendship! = 
  # Requires translation!
diff --git a/android/assets/jsons/translations/Persian_(Pinglish-DIN).properties b/android/assets/jsons/translations/Persian_(Pinglish-DIN).properties
index bc1c05cb23..ace0738dae 100644
--- a/android/assets/jsons/translations/Persian_(Pinglish-DIN).properties
+++ b/android/assets/jsons/translations/Persian_(Pinglish-DIN).properties
@@ -80,7 +80,7 @@ Denounce ([numberOfTurns] turns) = Dar jāme’e ye jahāni mahkoom kardan ([num
 We will remember this. = Mā inrā be yād ḵāhim dāšt.
 
 [civName] has declared war on [targetCivName]! = [civName] be [targetCivName] e’elām jang karde ast!
-[civName] and [targetCivName] have signed the Peace Treaty! = [civName] va [targetCivName] bā ham Mo’āhede ye Solh bastand!
+[civName] and [targetCivName] have signed a Peace Treaty! = [civName] va [targetCivName] bā ham Mo’āhede ye Solh bastand!
 [civName] and [targetCivName] have signed the Declaration of Friendship! = [civName] va [targetCivName] bā ham peymān doosti bastand!
 [civName] has denounced [targetCivName]! = [civName], [targetCivName] rā mahkoom karde ast!
 
diff --git a/core/src/com/unciv/logic/GameInfo.kt b/core/src/com/unciv/logic/GameInfo.kt
index 2b8101595e..813c3cd44e 100644
--- a/core/src/com/unciv/logic/GameInfo.kt
+++ b/core/src/com/unciv/logic/GameInfo.kt
@@ -266,6 +266,17 @@ class GameInfo {
                 for (promotion in unit.promotions.promotions.toList())
                     if (!ruleSet.unitPromotions.containsKey(promotion))
                         unit.promotions.promotions.remove(promotion)
+
+            for (city in civilizations.asSequence().flatMap { it.cities.asSequence() }) {
+                for (building in city.cityConstructions.builtBuildings.toHashSet())
+                    if (!ruleSet.buildings.containsKey(building))
+                        city.cityConstructions.builtBuildings.remove(building)
+                for (building in city.cityConstructions.constructionQueue.toList())
+                    if (!ruleSet.buildings.containsKey(building))
+                        city.cityConstructions.constructionQueue.remove(building)
+            }
+
+
         }
 
         tileMap.setTransients(ruleSet)