Prevent error when browser name is not set
Prevent error when browser name is not set

chiefcll/html5test,NielsLeenheer/html5test,NielsLeenheer/html5test,ya7lelkom/html5test,NielsLeenheer/html5test,ya7lelkom/html5test,chiefcll/html5test,ya7lelkom/html5test,mpopp75/html5test,mpopp75/html5test,chiefcll/html5test,mpopp75/html5test