diff --git a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
index cd3c1b8837..3647a34550 100644
--- a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
+++ b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
@@ -323,7 +323,9 @@ async function processBlogSourceFile(
     } else if (typeof editUrl === 'string') {
       const isLocalized = blogDirPath === contentPaths.contentPathLocalized;
       const fileContentPath =
-        isLocalized && options.editLocalizedFiles
+        isLocalized &&
+        options.editLocalizedFiles &&
+        contentPaths.contentPathLocalized
           ? contentPaths.contentPathLocalized
           : contentPaths.contentPath;
 
diff --git a/packages/docusaurus-utils/src/markdownLinks.ts b/packages/docusaurus-utils/src/markdownLinks.ts
index 99dda68e9b..a045ab4cd5 100644
--- a/packages/docusaurus-utils/src/markdownLinks.ts
+++ b/packages/docusaurus-utils/src/markdownLinks.ts
@@ -20,9 +20,11 @@ export type ContentPaths = {
   contentPath: string;
   /**
    * The absolute path to the localized content directory, like
-   * `"<siteDir>/i18n/zh-Hans/plugin-content-docs"`.
+   * `"<siteDir>/i18n/zh-Hans/plugin-content-blog"`.
+   *
+   * Undefined when the locale has `translate: false` config
    */
-  contentPathLocalized?: string;
+  contentPathLocalized: string | undefined;
 };
 
 /** Data structure representing each broken Markdown link to be reported. */