diff --git a/ChangeLog b/ChangeLog
index bb938dbe0..5e54276e8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,8 @@ v0.4.0-dev, 2012-12-19
 Version 0.4.0 (under dev!)
 --------------------------
 
+* core: fix refresh of windows after split (fix bug with horizontal separator
+  between windows) (bug #37874)
 * core: fix stuck mouse (bug #36533)
 * core: fix default mouse buttons actions for script buffer (focus the window
   before executing action)
diff --git a/src/gui/curses/gui-curses-window.c b/src/gui/curses/gui-curses-window.c
index 0adfc1f13..7de8cafce 100644
--- a/src/gui/curses/gui-curses-window.c
+++ b/src/gui/curses/gui-curses-window.c
@@ -1675,8 +1675,7 @@ gui_window_split_horizontal (struct t_gui_window *window, int percentage)
             /* assign same buffer for new window (top window) */
             gui_buffer_add_value_num_displayed (new_window->buffer, 1);
 
-            window->refresh_needed = 1;
-            new_window->refresh_needed = 1;
+            gui_window_ask_refresh (1);
 
             gui_window_switch (new_window);
         }
@@ -1725,8 +1724,7 @@ gui_window_split_vertical (struct t_gui_window *window, int percentage)
             /* assign same buffer for new window (right window) */
             gui_buffer_add_value_num_displayed (new_window->buffer, 1);
 
-            window->refresh_needed = 1;
-            new_window->refresh_needed = 1;
+            gui_window_ask_refresh (1);
 
             gui_window_switch (new_window);