diff --git a/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt b/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
index 55600b1eff..a0792b8e70 100644
--- a/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
+++ b/core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt
@@ -349,7 +349,7 @@ object UnitActions {
                         unit.getTile().improvementInProgress = null
                         unit.getTile().turnsToImprovement = 0
                         unit.destroy()
-                    }.takeIf { unit.currentMovement > 0f && !tile.isWater && !tile.isCityCenter() && !tile.getLastTerrain().unbuildable })
+                    }.takeIf { unit.currentMovement > 0f && !tile.isWater && !tile.isCityCenter() && !tile.getLastTerrain().impassable })
         }
         return null
     }