diff --git a/index.js b/index.js
index 31cb4a95e4..05d0de9f21 100644
--- a/index.js
+++ b/index.js
@@ -105,7 +105,8 @@ module.exports = class Items extends Array {
         if (this.options.i18n) {
           // only insert i18n for the objects we're inserting, so we don't bloat memory
           if (Array.isArray(this.options.i18n)) {
-            const raw = i18n[item.uniqueName];
+            const itemI18n = i18n[item.uniqueName];
+            const raw = itemI18n ? { ...itemI18n } : undefined;
             // only process if passed language is a supported i18n value
             if (raw) {
               Object.keys(raw).forEach((locale) => {
diff --git a/index.mjs b/index.mjs
index 817d4d073a..41a1426a0e 100644
--- a/index.mjs
+++ b/index.mjs
@@ -104,7 +104,8 @@ export default class Items extends Array {
         if (this.options.i18n) {
           // only insert i18n for the objects we're inserting so we don't bloat memory
           if (Array.isArray(this.options.i18n)) {
-            const raw = i18n[item.uniqueName];
+            const itemI18n = i18n[item.uniqueName];
+            const raw = itemI18n ? { ...itemI18n } : undefined;
             // only process if passed language is a supported i18n value
             if (raw) {
               Object.keys(raw).forEach((locale) => {
diff --git a/test/index.spec.mjs b/test/index.spec.mjs
index 74d00507a0..ad81fee497 100755
--- a/test/index.spec.mjs
+++ b/test/index.spec.mjs
@@ -124,6 +124,18 @@ const test = (base) => {
         assert(!!items[0].i18n.es);
         assert(!items.i18n);
       });
+      it('should have i18n on object for different locales in same runtime', async () => {
+        const getItem = async (locale) => {
+          const items = await wrapConstr({ category: ['Pets'], i18n: [locale], i18nOnObject: true });
+          const firstItem = items[0];
+          return firstItem?.i18n;
+        };
+
+        const esI18n = await getItem('es');
+        assert.ok(esI18n.es, 'should have i18n on object for es');
+        const jaI18n = await getItem('ja');
+        assert.ok(jaI18n.ja, 'should have i18n on object for ja');
+      });
     });
     describe('drops', () => {
       beforeEach(gc);