@@ -126,19 +126,24 @@
 	end;
 	on_timer = function(pos,delta)
 		local orientation = math.floor(minetest.get_node(pos).param2 / 4)
 		local costs = calc_cost(pos,delta)
+		local probe = sorcery.spell.probe(pos)
+		if probe.disjunction then return true end
 		local l = sorcery.ley.netcaps(pos,delta)
 		if l.self.powerdraw >= costs.mincost then
 			local dist = l.self.powerdraw / (constants.cost_per_barrier * delta)
 			for i=1,math.floor(dist) do
 				local t = costs.targets[i]
 				local str = math.min(0xFF,t[2] + 50*delta);
-				minetest.swap_node(t[1], {
-					name = 'sorcery:air_barrier_' .. math.max(1, math.floor(10*(str/0xFF)));
-					param2 = str;
-				})
-				minetest.get_node_timer(t[1]):start(1)
+				local fprobe = sorcery.spell.probe(t[1])
+				if not fprobe.disjunction then
+					minetest.swap_node(t[1], {
+						name = 'sorcery:air_barrier_' .. math.max(1, math.floor(10*(str/0xFF)));
+						param2 = str;
+					})
+					minetest.get_node_timer(t[1]):start(1)
+				end
 			end
 
 			local pn = vector.add(pos, vector.divide(costs.aim,2));
 			local pp = vector.add(pn, pofstbl[orientation])