Upstream: http://bugs.ghostscript.com/show_bug.cgi?id=691577
Status: pending

diff --git a/apps/x11_main.c b/apps/x11_main.c
index 395f9fd..c045863 100644
--- a/apps/x11_main.c
+++ b/apps/x11_main.c
@@ -198,6 +198,7 @@ void wincursor(pdfapp_t *app, int curs)

 void wintitle(pdfapp_t *app, char *s)
 {
+    XStoreName(xdpy, xwin, s);
 #ifdef X_HAVE_UTF8_STRING
     Xutf8SetWMProperties(xdpy, xwin, s, s, nil, 0, nil, nil, nil);
 #else