diff --git a/app/javascript/dashboard/routes/dashboard/settings/macros/specs/MacroProperties.spec.js b/app/javascript/dashboard/routes/dashboard/settings/macros/specs/MacroProperties.spec.js
index 31218cbba..edd1b53d6 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/macros/specs/MacroProperties.spec.js
+++ b/app/javascript/dashboard/routes/dashboard/settings/macros/specs/MacroProperties.spec.js
@@ -1,6 +1,9 @@
 import { shallowMount } from '@vue/test-utils';
+import { withFullI18n } from 'test-i18n';
 import MacroProperties from '../MacroProperties.vue';
 
+withFullI18n();
+
 const mountComponent = props =>
   shallowMount(MacroProperties, {
     props: {
diff --git a/vitest.config.ts b/vitest.config.ts
index 5533f3998..6656bb159 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -1,4 +1,5 @@
 /// <reference types="vitest" />
+import path from 'path';
 import { defineConfig } from 'vitest/config';
 import vue from '@vitejs/plugin-vue';
 import { aliases, vueOptions } from './vite.shared';
@@ -6,7 +7,9 @@ import yaml from '@rollup/plugin-yaml';
 
 export default defineConfig({
   plugins: [vue(vueOptions), yaml()],
-  resolve: { alias: aliases },
+  resolve: {
+    alias: { ...aliases, 'test-i18n': path.resolve('./vitest.i18n.js') },
+  },
   test: {
     environment: 'jsdom',
     include: ['app/**/*.{test,spec}.?(c|m)[jt]s?(x)'],
diff --git a/vitest.i18n.js b/vitest.i18n.js
new file mode 100644
index 000000000..f0ef7d4ca
--- /dev/null
+++ b/vitest.i18n.js
@@ -0,0 +1,21 @@
+import { config } from '@vue/test-utils';
+import { createI18n } from 'vue-i18n';
+import i18nMessages from 'dashboard/i18n';
+import FloatingVue from 'floating-vue';
+
+/**
+ * Replaces the empty i18n instance from the global setup with the real
+ * messages. Call it at the top of the spec, outside of hooks.
+ * See vitest.setup.js.
+ */
+export function withFullI18n(locale = 'en') {
+  const i18n = createI18n({
+    legacy: false,
+    locale,
+    messages: i18nMessages,
+  });
+
+  config.global.plugins = [i18n, FloatingVue];
+
+  return i18n;
+}
diff --git a/vitest.setup.js b/vitest.setup.js
index 1bed8ee3e..12516be93 100644
--- a/vitest.setup.js
+++ b/vitest.setup.js
@@ -1,12 +1,15 @@
 import { config } from '@vue/test-utils';
 import { createI18n } from 'vue-i18n';
-import i18nMessages from 'dashboard/i18n';
 import FloatingVue from 'floating-vue';
 
+// No messages: loading them here would pull 2537 locale files into every spec.
+// Specs asserting on translated copy should use withFullI18n from vitest.i18n.
 const i18n = createI18n({
   legacy: false,
   locale: 'en',
-  messages: i18nMessages,
+  messages: {},
+  missingWarn: false,
+  fallbackWarn: false,
 });
 
 config.global.plugins = [i18n, FloatingVue];