diff --git a/mkdocs/livereload/__init__.py b/mkdocs/livereload/__init__.py
index 55554a4025..9feb27f715 100644
--- a/mkdocs/livereload/__init__.py
+++ b/mkdocs/livereload/__init__.py
@@ -32,7 +32,7 @@
             setTimeout(launchNext, 3000);
         }
     };
-    req.open("GET", "${mount_path}livereload/" + epoch + "/" + requestId);
+    req.open("GET", "/livereload/" + epoch + "/" + requestId);
     req.send();
 
     console.log('Enabled live reload');
@@ -201,10 +201,8 @@ def _serve_request(self, environ, start_response):
         # https://github.com/bottlepy/bottle/blob/f9b1849db4/bottle.py#L984
         path = environ["PATH_INFO"].encode("latin-1").decode("utf-8", "ignore")
 
-        if path.startswith(self.mount_path):
-            rel_file_path = path[len(self.mount_path):]
-
-            m = re.fullmatch(r"livereload/([0-9]+)/[0-9]+", rel_file_path)
+        if path.startswith("/livereload/"):
+            m = re.fullmatch(r"/livereload/([0-9]+)/[0-9]+", path)
             if m:
                 epoch = int(m[1])
                 start_response("200 OK", [("Content-Type", "text/plain")])
@@ -220,6 +218,9 @@ def condition():
                         self._epoch_cond.wait_for(condition, timeout=self.poll_response_timeout)
                     return [b"%d" % self._visible_epoch]
 
+        if path.startswith(self.mount_path):
+            rel_file_path = path[len(self.mount_path):]
+
             if path.endswith("/"):
                 rel_file_path += "index.html"
             # Prevent directory traversal - normalize the path.
@@ -266,9 +267,7 @@ def _inject_js_into_html(self, content, epoch):
             body_end = len(content)
         # The page will reload if the livereload poller returns a newer epoch than what it knows.
         # The other timestamp becomes just a unique identifier for the initiating page.
-        script = _SCRIPT_TEMPLATE.substitute(
-            mount_path=self.mount_path, epoch=epoch, request_id=_timestamp()
-        )
+        script = _SCRIPT_TEMPLATE.substitute(epoch=epoch, request_id=_timestamp())
         return b"%b<script>%b</script>%b" % (
             content[:body_end],
             script.encode(),
diff --git a/mkdocs/tests/livereload_tests.py b/mkdocs/tests/livereload_tests.py
index 62483b5bfd..ecbbaecca0 100644
--- a/mkdocs/tests/livereload_tests.py
+++ b/mkdocs/tests/livereload_tests.py
@@ -343,9 +343,9 @@ def test_serves_polling_instantly(self, site_dir):
             self.assertTrue(output.isdigit())
 
     @tempdir()
-    def test_serves_polling_from_mount_path(self, site_dir):
+    def test_serves_polling_with_mount_path(self, site_dir):
         with testing_server(site_dir, mount_path="/test/f*o") as server:
-            _, output = do_request(server, "GET /test/f*o/livereload/0/0")
+            _, output = do_request(server, "GET /livereload/0/0")
             self.assertTrue(output.isdigit())
 
     @tempdir()