diff --git a/patches/login_emailusername_issues_3276966_#12.patch b/patches/login_emailusername_issues_3276966_#12.patch
new file mode 100644
index 000000000..d822f4b7e
--- /dev/null
+++ b/patches/login_emailusername_issues_3276966_#12.patch
@@ -0,0 +1,38 @@
+diff --git a/src/Controller/LoginEmailUsernameUserAuthenticationController.php b/src/Controller/LoginEmailUsernameUserAuthenticationController.php
+index 7c3ac4f..0e6f04e 100644
+--- a/src/Controller/LoginEmailUsernameUserAuthenticationController.php
++++ b/src/Controller/LoginEmailUsernameUserAuthenticationController.php
+@@ -47,7 +47,11 @@ class LoginEmailUsernameUserAuthenticationController extends UserAuthenticationC
+     }
+ 
+     if ($uid = $this->userAuth->authenticate($credentials['name'], $credentials['pass'])) {
+-      $this->flood->clear('user.http_login', $this->getLoginFloodIdentifier($request, $credentials['name']));
++      if (property_exists($this, 'userFloodControl')) {
++        $this->userFloodControl->clear('user.http_login', $this->getLoginFloodIdentifier($request, $credentials['name']));
++      } else {
++        $this->flood->clear('user.http_login', $this->getLoginFloodIdentifier($request, $credentials['name']));
++      }
+       /** @var \Drupal\user\UserInterface $user */
+       $user = $this->userStorage->load($uid);
+       $this->userLoginFinalize($user);
+@@ -78,10 +82,18 @@ class LoginEmailUsernameUserAuthenticationController extends UserAuthenticationC
+ 
+     $flood_config = $this->config('user.flood');
+     if ($identifier = $this->getLoginFloodIdentifier($request, $credentials['name'])) {
+-      $this->flood->register('user.http_login', $flood_config->get('user_window'), $identifier);
++      if (property_exists($this, 'userFloodControl')) {
++        $this->userFloodControl->register('user.http_login', $flood_config->get('user_window'), $identifier);
++      } else {
++        $this->flood->register('user.http_login', $flood_config->get('user_window'), $identifier);
++      }
+     }
+     // Always register an IP-based failed login event.
+-    $this->flood->register('user.failed_login_ip', $flood_config->get('ip_window'));
++    if (property_exists($this, 'userFloodControl')) {
++      $this->userFloodControl->register('user.failed_login_ip', $flood_config->get('ip_window'));
++    } else {
++      $this->flood->register('user.failed_login_ip', $flood_config->get('ip_window'));
++    }
+     throw new BadRequestHttpException('Sorry, unrecognized username or password.');
+   }
+