diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/org/apache/guacamole/auth/jdbc/user/PasswordRecordMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/org/apache/guacamole/auth/jdbc/user/PasswordRecordMapper.xml
index 6d79a8e9f..be9f0b600 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/org/apache/guacamole/auth/jdbc/user/PasswordRecordMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/org/apache/guacamole/auth/jdbc/user/PasswordRecordMapper.xml
@@ -66,7 +66,7 @@
         );
 
         DELETE FROM guacamole_user_password_history
-        WHERE password_history_id <= (
+        WHERE password_history_id &lt;= (
             SELECT password_history_id
             FROM (
                 SELECT password_history_id