--- a/x.c +++ b/x.c @@ -1585,11 +1585,14 @@ void xsettitle(char *p) { + int r; XTextProperty prop; DEFAULT(p, opt_title); - Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, + r = Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, &prop); + if (r != Success) + return; XSetWMName(xw.dpy, xw.win, &prop); XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); XFree(prop.value);