diff --git a/lib/core/__tests__/utils.test.js b/lib/core/__tests__/utils.test.js
index 5c1e9ec53d4d..dd5091948e7f 100644
--- a/lib/core/__tests__/utils.test.js
+++ b/lib/core/__tests__/utils.test.js
@@ -39,20 +39,29 @@ describe('utils', () => {
   });
 
   test('getPath', () => {
-    expect(utils.getPath('/docs/en/versioning.html', true)).toBe(
-      '/docs/en/versioning'
-    );
-    expect(utils.getPath('/en/users.html', true)).toBe('/en/users');
-    expect(utils.getPath('/docs/en/asd/index.html', true)).toBe('/docs/en/asd');
-    expect(utils.getPath('/en/help/index.html', true)).toBe('/en/help');
-    expect(utils.getPath('/en/help.a.b.c.d.e.html', true)).toBe(
-      '/en/help.a.b.c.d.e'
-    );
-    expect(utils.getPath('/en/help.js', true)).toBe('/en/help');
+    // does not change/transform path
+    expect(utils.getPath('/en/users.html', false)).toBe('/en/users.html');
     expect(utils.getPath('/docs/en/versioning.html', false)).toBe(
       '/docs/en/versioning.html'
     );
-    expect(utils.getPath('/en/users.html', false)).toBe('/en/users.html');
+    expect(utils.getPath(undefined, false)).toBeUndefined();
+    expect(utils.getPath(null, false)).toBeNull();
+
+    // transform to pretty/clean path
+    const cleanPath = pathStr => utils.getPath(pathStr, true);
+    expect(cleanPath('/en/users')).toBe('/en/users');
+    expect(cleanPath('/docs/versioning.html')).toBe('/docs/versioning');
+    expect(cleanPath('/en/users.html')).toBe('/en/users');
+    expect(cleanPath('/docs/en/asd/index.html')).toBe('/docs/en/asd/');
+    expect(cleanPath('/en/help/index.html')).toBe('/en/help/');
+    expect(cleanPath('/index.html')).toBe('/');
+    expect(cleanPath('/react/index.html')).toBe('/react/');
+    expect(cleanPath('/en/help.a.b.c.d.e.html')).toBe('/en/help.a.b.c.d.e');
+    expect(cleanPath('/en/help.js')).toBe('/en/help.js');
+    expect(cleanPath('/test.md')).toBe('/test.md');
+    expect(cleanPath('/blog/7.0.0')).toBe('/blog/7.0.0');
+    expect(cleanPath('/test/5.html.2')).toBe('/test/5.html.2');
+    expect(cleanPath('/docs/en/5.2')).toBe('/docs/en/5.2');
   });
 
   test('removeExtension', () => {
diff --git a/lib/core/utils.js b/lib/core/utils.js
index 5e4b66e9fed6..a01f9921504a 100644
--- a/lib/core/utils.js
+++ b/lib/core/utils.js
@@ -15,17 +15,17 @@ function extractBlogPostBeforeTruncate(content) {
   return content.split(TRUNCATE_MARKER)[0];
 }
 
-function removeExtension(path) {
-  return path.replace(/\.[^/.]+$/, '');
+function removeExtension(pathStr) {
+  return pathStr.replace(/\.[^/.]+$/, '');
 }
 
-function getPath(path, cleanUrl = false) {
-  if (cleanUrl) {
-    return path.endsWith('/index.html')
-      ? path.replace(/\/index.html$/, '')
-      : removeExtension(path);
+function getPath(pathStr, cleanUrl = false) {
+  if (!pathStr || !cleanUrl || !pathStr.endsWith('.html')) {
+    return pathStr;
   }
-  return path;
+  return pathStr.endsWith('/index.html')
+    ? pathStr.replace(/index\.html$/, '')
+    : removeExtension(pathStr);
 }
 
 module.exports = {