diff --git a/data/scripts/flavor/cerulean_badge_house.lua b/data/scripts/flavor/cerulean_badge_house.lua
index 106fc0c8..85052404 100644
--- a/data/scripts/flavor/cerulean_badge_house.lua
+++ b/data/scripts/flavor/cerulean_badge_house.lua
@@ -42,6 +42,7 @@ local function middleAgedMan(game, ow, npc, done)
       end
       local menu = ListMenu.new(game, "", items, {
         onChoose = function(item)
+          game.stack:pop()
           push(game, t[BADGE_TEXT[item.value]], loop)
         end,
         onCancel = function()
diff --git a/tests/parity_cerulean_badge_house.lua b/tests/parity_cerulean_badge_house.lua
new file mode 100644
index 00000000..b2d5827c
--- /dev/null
+++ b/tests/parity_cerulean_badge_house.lua
@@ -0,0 +1,63 @@
+-- Parity: leaving the Cerulean Badge House badge-description menu must
+-- return control to the overworld after viewing a badge (#454).
+package.path = "./?.lua;./?/init.lua;" .. package.path
+if not _G.love then _G.love = require("tests.love_stub") end
+
+local S = require("tests.harness").suite("parity Cerulean Badge House")
+local eq = S.eq
+local script = require("data.scripts.flavor.cerulean_badge_house")
+  .CERULEAN_BADGE_HOUSE.talk.TEXT_CERULEANBADGEHOUSE_MIDDLE_AGED_MAN
+
+local states = {}
+local game = {
+  data = {
+    items = {
+      BOULDERBADGE = { name = "BOULDERBADGE" },
+      CASCADEBADGE = { name = "CASCADEBADGE" },
+      THUNDERBADGE = { name = "THUNDERBADGE" },
+      RAINBOWBADGE = { name = "RAINBOWBADGE" },
+      SOULBADGE = { name = "SOULBADGE" },
+      MARSHBADGE = { name = "MARSHBADGE" },
+      VOLCANOBADGE = { name = "VOLCANOBADGE" },
+      EARTHBADGE = { name = "EARTHBADGE" },
+    },
+    text = {
+      _CeruleanBadgeHouseMiddleAgedManText = "",
+      _CeruleanBadgeHouseMiddleAgedManWhichBadgeText = "",
+      _CeruleanBadgeHouseBoulderBadgeText = "",
+      _CeruleanBadgeHouseMiddleAgedManVisitAnyTimeText = "",
+    },
+  },
+  save = { player = { name = "RED" } },
+  input = { wasPressed = function(_, key) return key == "b" end },
+  stack = {
+    push = function(_, state) states[#states + 1] = state end,
+    pop = function() return table.remove(states) end,
+    top = function() return states[#states] end,
+  },
+}
+
+local done = false
+script(game, nil, nil, function() done = true end)
+
+local function dismissText()
+  local text = game.stack:pop()
+  text.onDone()
+end
+
+-- Greeting -> prompt -> first menu -> badge description -> prompt -> second menu.
+dismissText()
+dismissText()
+local firstMenu = game.stack:top()
+firstMenu.onChoose(firstMenu.items[1])
+dismissText()
+dismissText()
+
+-- B follows ListMenu's real cancellation path: pop menu, then show goodbye.
+game.stack:top():update(0)
+dismissText()
+
+eq(#states, 0, "backing out after viewing a badge leaves no menu behind")
+eq(done, true, "backing out after viewing a badge completes the NPC script")
+
+S.finish()
diff --git a/tests/run_tests.lua b/tests/run_tests.lua
index 1590c258..ff5f7ef0 100644
--- a/tests/run_tests.lua
+++ b/tests/run_tests.lua
@@ -3274,6 +3274,7 @@ runSuites(orderedGlob("tests/parity_*.lua", {
   "tests/parity_C.lua", "tests/parity_K.lua", "tests/parity_L.lua",
   "tests/parity_H.lua", "tests/parity_G.lua", "tests/parity_I_M.lua",
   "tests/parity_B.lua", "tests/parity_J.lua", "tests/parity_A.lua",
+  "tests/parity_cerulean_badge_house.lua",
   "tests/parity_flavor.lua", "tests/parity_trainer_sight.lua",
   "tests/parity_static.lua", "tests/parity_trashcans.lua",
   "tests/parity_hof.lua", "tests/parity_trade_gift.lua",