diff --git a/core/src/com/unciv/logic/map/mapunit/movement/UnitMovement.kt b/core/src/com/unciv/logic/map/mapunit/movement/UnitMovement.kt
index 26808a0f43..fc5cb73b00 100644
--- a/core/src/com/unciv/logic/map/mapunit/movement/UnitMovement.kt
+++ b/core/src/com/unciv/logic/map/mapunit/movement/UnitMovement.kt
@@ -69,7 +69,8 @@ class UnitMovement(val unit: MapUnit) {
                         }
                     }
 
-                    if (!distanceToTiles.containsKey(neighbor) || distanceToTiles[neighbor]!!.totalDistance > totalDistanceToTile) { // this is the new best path
+                    val currentBestPath = distanceToTiles[neighbor]
+                    if (currentBestPath == null || currentBestPath.totalDistance > totalDistanceToTile) { // this is the new best path
                         val usableMovement = if (includeOtherEscortUnit && unit.isEscorting())
                             minOf(unitMovement, unit.getOtherEscortUnit()!!.currentMovement)
                         else unitMovement