diff --git a/src/Symfony/Component/Security/Http/Impersonate/ImpersonateUrlGenerator.php b/src/Symfony/Component/Security/Http/Impersonate/ImpersonateUrlGenerator.php
index 84fe51b102a1b..a99dd89f0225d 100644
--- a/src/Symfony/Component/Security/Http/Impersonate/ImpersonateUrlGenerator.php
+++ b/src/Symfony/Component/Security/Http/Impersonate/ImpersonateUrlGenerator.php
@@ -66,7 +66,7 @@ private function buildPath(string $targetUri = null, string $identifier = Switch
             return '';
         }
 
-        if (!$this->isImpersonatedUser() && $identifier == SwitchUserListener::EXIT_VALUE){
+        if (!$this->isImpersonatedUser() && SwitchUserListener::EXIT_VALUE == $identifier) {
             return '';
         }