diff --git a/app/javascript/dashboard/App.vue b/app/javascript/dashboard/App.vue
index 8912c03d1..a706e2df5 100644
--- a/app/javascript/dashboard/App.vue
+++ b/app/javascript/dashboard/App.vue
@@ -98,7 +98,9 @@ export default {
       mql.onchange = e => setColorTheme(e.matches);
     },
     setLocale(locale) {
-      this.$root.$i18n.locale = locale;
+      if (locale) {
+        this.$root.$i18n.locale = locale;
+      }
     },
     async initializeAccount() {
       await this.$store.dispatch('accounts/get');
diff --git a/app/javascript/dashboard/routes/dashboard/settings/account/Index.vue b/app/javascript/dashboard/routes/dashboard/settings/account/Index.vue
index 5be704c24..0502ebc1b 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/account/Index.vue
+++ b/app/javascript/dashboard/routes/dashboard/settings/account/Index.vue
@@ -103,7 +103,10 @@ export default {
         const { name, locale, id, domain, support_email, features } =
           this.getAccount(this.accountId);
 
-        this.$root.$i18n.locale = this.uiSettings?.locale || locale;
+        const effectiveLocale = this.uiSettings?.locale || locale;
+        if (effectiveLocale) {
+          this.$root.$i18n.locale = effectiveLocale;
+        }
         this.name = name;
         this.locale = locale;
         this.id = id;
@@ -129,11 +132,9 @@ export default {
           support_email: this.supportEmail,
         });
         // If user locale is set, update the locale with user locale
-        if (this.uiSettings?.locale) {
-          this.$root.$i18n.locale = this.uiSettings?.locale;
-        } else {
-          // If user locale is not set, update the locale with account locale
-          this.$root.$i18n.locale = this.locale;
+        const updatedLocale = this.uiSettings?.locale || this.locale;
+        if (updatedLocale) {
+          this.$root.$i18n.locale = updatedLocale;
         }
         this.getAccount(this.id).locale = this.locale;
         useAlert(this.$t('GENERAL_SETTINGS.UPDATE.SUCCESS'));
diff --git a/app/javascript/v3/App.vue b/app/javascript/v3/App.vue
index ef7107beb..c3f9b1734 100644
--- a/app/javascript/v3/App.vue
+++ b/app/javascript/v3/App.vue
@@ -35,7 +35,9 @@ export default {
       };
     },
     setLocale(locale) {
-      this.$root.$i18n.locale = locale;
+      if (locale) {
+        this.$root.$i18n.locale = locale;
+      }
     },
   },
 };