diff --git a/lib/entry-points.js b/lib/entry-points.js
index d23dcaac3..1ccf9ee0b 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -151620,8 +151620,7 @@ async function getPerLanguageBundleLanguage({
       );
     }
   }
-  const supportedLanguages = platform2 === void 0 ? void 0 : PER_LANGUAGE_BUNDLE_LANGUAGES[platform2];
-  if (!supportedLanguages?.has(language)) {
+  if (platform2 === void 0 || !PER_LANGUAGE_BUNDLE_LANGUAGES[platform2].has(language)) {
     return explain(
       `no per-language bundle is published for ${language} on ${platform2 ?? "an unknown platform"}`
     );
diff --git a/src/per-language-bundles.ts b/src/per-language-bundles.ts
index 9c07a6802..567c365ff 100644
--- a/src/per-language-bundles.ts
+++ b/src/per-language-bundles.ts
@@ -117,11 +117,10 @@ export async function getPerLanguageBundleLanguage(
     }
   }
 
-  const supportedLanguages =
-    platform === undefined
-      ? undefined
-      : PER_LANGUAGE_BUNDLE_LANGUAGES[platform];
-  if (!supportedLanguages?.has(language)) {
+  if (
+    platform === undefined ||
+    !PER_LANGUAGE_BUNDLE_LANGUAGES[platform].has(language)
+  ) {
     return explain(
       `no per-language bundle is published for ${language} on ${platform ?? "an unknown platform"}`,
     );