diff --git a/.changeset/empty-eels-float.md b/.changeset/empty-eels-float.md
new file mode 100644
index 000000000..7b38b035a
--- /dev/null
+++ b/.changeset/empty-eels-float.md
@@ -0,0 +1,6 @@
+---
+"druxt": patch
+"druxt-router": patch
+---
+
+Fixed issue with single lingual sites using JSON:API Extras.
diff --git a/packages/druxt/src/nuxt/index.js b/packages/druxt/src/nuxt/index.js
index 538aafdfd..88d17085e 100644
--- a/packages/druxt/src/nuxt/index.js
+++ b/packages/druxt/src/nuxt/index.js
@@ -51,7 +51,7 @@ const DruxtNuxtModule = async function (moduleOptions = {}) {
 
       // Langcode prefixed API endpoints.
       const languageResourceType = 'configurable_language--configurable_language'
-      if (await druxt.getIndex(languageResourceType)) {
+      if (((await druxt.getIndex(languageResourceType)) || {}).href) {
         const query = new DrupalJsonApiParams().addFields(languageResourceType, ['drupal_internal__id'])
         const languages = (await druxt.getCollectionAll(languageResourceType, query) || [])
           .map((o) => o.data)
diff --git a/packages/router/src/nuxt/index.js b/packages/router/src/nuxt/index.js
index b073b9a0f..8f0881a8c 100644
--- a/packages/router/src/nuxt/index.js
+++ b/packages/router/src/nuxt/index.js
@@ -69,7 +69,7 @@ const DruxtRouterNuxtModule = async function (moduleOptions = {}) {
       proxy: { ...options.proxy || {}, api: false },
     })
     const languageResourceType = 'configurable_language--configurable_language'
-    if (await druxt.getIndex(languageResourceType)) {
+    if (((await druxt.getIndex(languageResourceType)) || {}).href) {
       const query = new DrupalJsonApiParams().addFields(languageResourceType, ['drupal_internal__id'])
       languages = (await druxt.getCollectionAll(languageResourceType, query) || [])
         .map((o) => o.data)