diff --git a/core/src/com/unciv/logic/civilization/CivilizationInfo.kt b/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
index 76671be94c..383a31824c 100644
--- a/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
+++ b/core/src/com/unciv/logic/civilization/CivilizationInfo.kt
@@ -108,7 +108,7 @@ class CivilizationInfo {
 
     private fun getTransportationUpkeep(): Int {
         var transportationUpkeep = 0
-        for (it in gameInfo.tileMap.values.filterNot { it.isCityCenter() }) {
+        for (it in gameInfo.tileMap.values.filter { it.getOwner()==this }.filterNot { it.isCityCenter() }) {
             when(it.roadStatus) {
                 RoadStatus.Road -> transportationUpkeep += 1
                 RoadStatus.Railroad -> transportationUpkeep += 2