diff --git a/openbox/screen.c b/openbox/screen.c
index a265df0a..7b4ca740 100644
--- a/openbox/screen.c
+++ b/openbox/screen.c
@@ -323,7 +323,8 @@ static void screen_tell_ksplash()
 
     /* tell ksplash through the dcop server command line interface */
     g_spawn_async(NULL, argv, NULL,
-                  G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
+                  G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
+                  G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
                   NULL, NULL, NULL, NULL);
     g_strfreev(argv);