diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/defs/object/ObjectOrientation.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/defs/object/ObjectOrientation.kt
index d8b24ecb..8397fba3 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/defs/object/ObjectOrientation.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/defs/object/ObjectOrientation.kt
@@ -35,6 +35,8 @@ import ru.dbotthepony.kstarbound.defs.tile.isEmptyTile
 import ru.dbotthepony.kstarbound.util.AssetPathStack
 import ru.dbotthepony.kstarbound.world.Direction
 import ru.dbotthepony.kstarbound.world.World
+import ru.dbotthepony.kstarbound.world.entities.tile.WorldObject
+import java.util.function.Predicate
 import kotlin.math.PI
 
 data class ObjectOrientation(
@@ -64,12 +66,18 @@ data class ObjectOrientation(
 		if (occupySpaces.isEmpty())
 			return true
 
-		return occupySpaces.all {
+		var valid = occupySpaces.all {
 			val cell = world.chunkMap.getCell(it + position)
 			//if (!cell.foreground.material.isEmptyTile) println("not empty tile: ${it + position}, space $it, pos $position")
 			//if (cell.dungeonId in world.protectedDungeonIDs) println("position is protected: ${it + position}")
 			cell.foreground.material.isEmptyTile && (ignoreProtectedDungeons || cell.dungeonId !in world.protectedDungeonIDs)
 		}
+
+		if (valid) {
+			valid = !world.entityIndex.any(AABB.ofPoints(occupySpaces), Predicate { it is WorldObject && occupySpaces.any { s -> s in it.occupySpaces } })
+		}
+
+		return valid
 	}
 
 	fun anchorsValid(world: World<*, *>, position: Vector2i, considerNullAsValid: Boolean = false): Boolean {