diff --git a/extensions/guacamole-auth-mysql/schema/guacamole-auth-mysql-schema.sql b/extensions/guacamole-auth-mysql/schema/guacamole-auth-mysql-schema.sql
index 591936243..1c71c65e0 100644
--- a/extensions/guacamole-auth-mysql/schema/guacamole-auth-mysql-schema.sql
+++ b/extensions/guacamole-auth-mysql/schema/guacamole-auth-mysql-schema.sql
@@ -44,7 +44,7 @@ CREATE TABLE `guacamole_connection_permission` (
   `connection_id` int(11) NOT NULL,
   `permission` enum('READ','UPDATE','DELETE','ADMINISTER') NOT NULL,
   PRIMARY KEY (`user_id`,`connection_id`,`permission`),
-  CONSTRAINT `guacamole_connection_permission_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `guacamole_connection` (`connection_id`),
+  CONSTRAINT `guacamole_connection_permission_ibfk_1` FOREIGN KEY (`connection_id`) REFERENCES `guacamole_connection` (`connection_id`),
   CONSTRAINT `guacamole_connection_permission_ibfk_2` FOREIGN KEY (`user_id`) REFERENCES `guacamole_user` (`user_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;