diff --git a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
index 2cde1b8aef86..07a69803aeec 100644
--- a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
+++ b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
@@ -157,7 +157,7 @@ export async function generateBlogPosts(
 
           const contentPathEditUrl = normalizeUrl([
             siteEditUrl,
-            path.relative(siteDir, fileContentPath),
+            posixPath(path.relative(siteDir, fileContentPath)),
           ]);
 
           return getEditUrl(blogPathRelative, contentPathEditUrl);
diff --git a/packages/docusaurus-plugin-content-docs/src/__tests__/docs.test.ts b/packages/docusaurus-plugin-content-docs/src/__tests__/docs.test.ts
index 133f860afed7..1991569ff0aa 100644
--- a/packages/docusaurus-plugin-content-docs/src/__tests__/docs.test.ts
+++ b/packages/docusaurus-plugin-content-docs/src/__tests__/docs.test.ts
@@ -320,7 +320,7 @@ describe('simple site', () => {
     expect(editUrlFunction).toHaveBeenCalledWith({
       version: 'current',
       versionDocsDirPath: 'docs',
-      docPath: path.join('foo', 'baz.md'),
+      docPath: path.posix.join('foo', 'baz.md'),
       locale: 'en',
     });
   });