diff --git a/src/xterm.c b/src/xterm.c
index d798f10fb1c..35fa4cf4241 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -4519,7 +4519,7 @@ x_connection_closed (display, error_message)
 
   if (x_display_list == 0)
     {
-      fprintf (stderr, "%s", error_message);
+      fprintf (stderr, "%s\n", error_message);
       shut_down_emacs (0, 0, Qnil);
       exit (70);
     }