thanks @dab2000! this fixes #528
thanks @dab2000! this fixes #528

buchslava/vizabi,dab2000/vizabi,jdk137/vizabi,alliance-timur/vizabi,alliance-timur/vizabi,Gapminder/vizabi,buchslava/vizabi,jdk137/vizabi,dab2000/vizabi,buchslava/vizabi,jdk137/vizabi,dab2000/vizabi,vizabi/vizabi,vizabi/vizabi,Gapminder/vizabi,alliance-timur/vizabi,Gapminder/vizabi,sergey-filipenko/vizabi,sergey-filipenko/vizabi,sergey-filipenko/vizabi