diff --git a/security/impersonating_user.rst b/security/impersonating_user.rst
index 75cedc0328b..cbd7fd03239 100644
--- a/security/impersonating_user.rst
+++ b/security/impersonating_user.rst
@@ -324,7 +324,7 @@ you switch users, add an event subscriber on this event::
         {
             $request = $event->getRequest();
 
-            if ($request->hasSession() && ($session = $request->getSession)) {
+            if ($request->hasSession() && ($session = $request->getSession())) {
                 $session->set(
                     '_locale',
                     // assuming your User has some getLocale() method