Ticket #3174: trying to fix the problem (without testing)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29816 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3784 working!

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29817 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e