diff --git a/packages/docusaurus-plugin-content-docs/src/versions.ts b/packages/docusaurus-plugin-content-docs/src/versions.ts
index f00b3ade18..5c7d0d6ce9 100644
--- a/packages/docusaurus-plugin-content-docs/src/versions.ts
+++ b/packages/docusaurus-plugin-content-docs/src/versions.ts
@@ -288,9 +288,13 @@ function createVersionMetadata({
   // retro-compatible values
   const defaultVersionLabel =
     versionName === CURRENT_VERSION_NAME ? 'Next' : versionName;
-  const versionNameNotLast =
-    versionName === CURRENT_VERSION_NAME ? 'next' : versionName;
-  const defaultVersionPathPart = isLast ? '' : versionNameNotLast;
+  function getDefaultVersionPathPart() {
+    if (isLast) {
+      return '';
+    }
+    return versionName === CURRENT_VERSION_NAME ? 'next' : versionName;
+  }
+  const defaultVersionPathPart = getDefaultVersionPathPart();
 
   const versionOptions: VersionOptions = options.versions[versionName] ?? {};