diff --git a/gfx/common/x11_common.c b/gfx/common/x11_common.c
index 430a1891e5..69e362e189 100644
--- a/gfx/common/x11_common.c
+++ b/gfx/common/x11_common.c
@@ -554,7 +554,7 @@ void x11_update_window_title(void *data)
    char buf_fps[128]       = {0};
    settings_t *settings    = config_get_ptr();
 
-   if (video_monitor_get_fps(buf, sizeof(buf), NULL, 0))
+   if (video_monitor_get_fps(buf, sizeof(buf), buf_fps, sizeof(buf_fps)))
       XStoreName(g_x11_dpy, g_x11_win, buf);
    if (settings->fps_show)
       runloop_msg_queue_push(buf_fps, 1, 1, false);