diff --git a/.changeset/slow-candles-sell.md b/.changeset/slow-candles-sell.md
new file mode 100644
index 0000000..e72cd88
--- /dev/null
+++ b/.changeset/slow-candles-sell.md
@@ -0,0 +1,5 @@
+---
+"ember-shiki": patch
+---
+
+fix: no default languages
diff --git a/ember-shiki/src/services/shiki.ts b/ember-shiki/src/services/shiki.ts
index 42594d5..84ccd1d 100644
--- a/ember-shiki/src/services/shiki.ts
+++ b/ember-shiki/src/services/shiki.ts
@@ -106,7 +106,7 @@ export default class ShikiService extends Service {
     this.BUNDLED_THEMES = BUNDLED_THEMES;
     this.highlighter = await getHighlighter({
       themes: defaultThemes,
-      langs: defaultLanguages,
+      langs: defaultLanguages ?? [],
     });
     this.isInitialized = true;
   });