1 files changed, 1 insertions, 1 deletions

diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index 839bfdce988..079945126e0 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -928,7 +928,7 @@ pgtk_set_parent_frame (struct frame *f, Lisp_Object new_value,
       if (p != NULL)
         {
           if (FRAME_DISPLAY_INFO (f) != FRAME_DISPLAY_INFO (p))
-            error ("Cross display reparent.");
+            error ("Cross display reparent");
         }
 
       GtkWidget *fixed = FRAME_GTK_WIDGET (f);