diff --git a/sparkmachine/lua/quarry.lua b/sparkmachine/lua/quarry.lua
index 52cfa6c..4644262 100644
--- a/sparkmachine/lua/quarry.lua
+++ b/sparkmachine/lua/quarry.lua
@@ -138,14 +138,30 @@ local function clear_area(pos, pos2)
 				if not ((x == pos.x and y == pos.y and z == pos.z) or
 					(x == pos2.x and y == pos2.y and z == pos2.z))
 				then
-					if dig_node(Position(x, y, z), pos) then
-						return false
+					local count = 0
+					if x == pos.x then count = count +1 end
+					if x == pos2.x then count = count +1 end
+					if y == pos.y then count = count +1 end
+					if y == pos2.y then count = count +1 end
+					if z == pos.z then count = count +1 end
+					if z == pos2.z then count = count +1 end
+					if count >= 2 then
+						if minetest.get_node(Position(x, y, z)).name ~= NAME .. ":static_strut" then
+							if dig_node(Position(x, y, z), pos) then
+								return false
+							end
+
+						end
+					else
+						if dig_node(Position(x, y, z), pos) then
+							return false
+						end
 					end
 				end
 			end
 		end
 	end
-	return true
+	return true --true: cleared
 end
 
 local function place_strut(position, quarrypos)