Better override

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28352 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#2889 fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28353 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e