diff --git a/COPYING b/COPYING
index cfb816a..d81ff7e 100644
--- a/COPYING
+++ b/COPYING
@@ -2,6 +2,8 @@ All ocitysmap code is under AGPLv3 (GNU Affero General Public License
 3.0) except the included OpenStreetMap logo under CC-BY-SA (Creative
 Common Attribution-Share Alike) license.
 
+OpenStreetMap logo is copyrighted by the Openstreetmap Foundation.
+
 ----------------------------------------------------------------------
                     GNU AFFERO GENERAL PUBLIC LICENSE
                        Version 3, 19 November 2007