diff --git a/mesecons/spec/fixtures/mesecons.lua b/mesecons/spec/fixtures/mesecons.lua
index 1f64f18..9813cef 100644
--- a/mesecons/spec/fixtures/mesecons.lua
+++ b/mesecons/spec/fixtures/mesecons.lua
@@ -80,6 +80,29 @@ do
 	})
 end
 
+do
+	local function get_rules(node)
+		local rules = {{x = 1, y = 0, z = 0}, {x = -1, y = 0, z = 0}}
+		if node.param2 == 1 or node.param2 == 3 then
+			rules = mesecon.rotate_rules_right(rules)
+		end
+		return rules
+	end
+	local off_spec = {conductor = {
+		state = mesecon.state.off,
+		rules = get_rules,
+		onstate = "mesecons:test_conductor_rot_on",
+	}}
+	local on_spec = {conductor = {
+		state = mesecon.state.on,
+		rules = get_rules,
+		offstate = "mesecons:test_conductor_rot_off",
+	}}
+	mesecon.register_node("mesecons:test_conductor_rot", {
+		description = "Rotatable Test Conductor",
+	}, {mesecons = off_spec}, {mesecons = on_spec})
+end
+
 do
 	local mesecons_spec = {conductor = {
 		rules = {
diff --git a/mesecons/spec/state_spec.lua b/mesecons/spec/state_spec.lua
index 74e0e39..6227a55 100644
--- a/mesecons/spec/state_spec.lua
+++ b/mesecons/spec/state_spec.lua
@@ -68,6 +68,37 @@ describe("state", function()
 	end)
 end)
 
+describe("rotation", function()
+	local layout = {
+		{{x =  0, y = 0, z =  0}, "mesecons:test_receptor_off"},
+		{{x =  1, y = 0, z =  0}, {name = "mesecons:test_conductor_rot_off", param2 = 0}},
+		{{x =  0, y = 0, z =  1}, {name = "mesecons:test_conductor_rot_off", param2 = 1}},
+		{{x = -1, y = 0, z =  0}, {name = "mesecons:test_conductor_rot_off", param2 = 2}},
+		{{x =  0, y = 0, z = -1}, {name = "mesecons:test_conductor_rot_off", param2 = 3}},
+	}
+
+	before_each(function()
+		for _, entry in ipairs(layout) do
+			world.set_node(entry[1], entry[2])
+		end
+	end)
+
+	after_each(function()
+		mesecon._test_reset()
+		world.clear()
+	end)
+
+	it("works", function()
+		mesecon.swap_node_force(layout[1][1], "mesecons:test_receptor_on")
+		mesecon.receptor_on(layout[1][1], mesecon.rules.alldirs)
+		mineunit:execute_globalstep()
+		assert.equal("mesecons:test_conductor_rot_on", world.get_node(layout[2][1]).name)
+		assert.equal("mesecons:test_conductor_rot_on", world.get_node(layout[3][1]).name)
+		assert.equal("mesecons:test_conductor_rot_on", world.get_node(layout[4][1]).name)
+		assert.equal("mesecons:test_conductor_rot_on", world.get_node(layout[5][1]).name)
+	end)
+end)
+
 describe("multiconductor", function()
 	local layout = {
 		{{x =  1, y = 0, z =  0}, "mesecons:test_receptor_off"},