From 8fea884ec8c581da25ce1e452a21eac7b454a740 Mon Sep 17 00:00:00 2001
From: Jack Rainy <JackRainy@users.noreply.github.com>
Date: Sat, 21 Mar 2020 20:56:42 +0200
Subject: [PATCH] Great Improvements can be built on rough terrains (#2217)

---
 core/src/com/unciv/ui/worldscreen/unit/UnitActions.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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
     }