diff --git a/phpBB/includes/session.php b/phpBB/includes/session.php
index 5f5b39fe27..1dc854caf2 100644
--- a/phpBB/includes/session.php
+++ b/phpBB/includes/session.php
@@ -1966,6 +1966,7 @@ class user extends session
 
 					$key_found = $num;
 				}
+				break;
 			}
 		}