1 files changed, 1 insertions, 1 deletions
diff --git a/src/tree.c b/src/tree.c
index 3861e863..7b466674 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -180,7 +180,7 @@ zenity_tree_handle_stdin (GIOChannel  *channel,
     g_string_free (string, TRUE);
   }
 
-  if (condition != G_IO_IN) {
+  if ((condition != G_IO_IN) && (condition != G_IO_IN + G_IO_HUP)) {
     g_io_channel_shutdown (channel, TRUE, NULL);
     return FALSE;
   }