1 files changed, 4 insertions, 0 deletions

diff --git a/src/term.c b/src/term.c
index aa9731d3faf..3258191bfce 100644
--- a/src/term.c
+++ b/src/term.c
@@ -54,6 +54,8 @@ int line_ins_del_ok;		/* Terminal can insert and delete lines */
 int char_ins_del_ok;            /* Terminal can insert and delete chars */
 int scroll_region_ok;           /* Terminal supports setting the
                                    scroll window */
+int scroll_region_cost;         /* Cost of setting a scroll window,
+                                   measured in characters */
 int memory_below_frame;         /* Terminal remembers lines
                                    scrolled off bottom */
 int fast_clear_end_of_line;     /* Terminal has a `ce' string */
@@ -1090,12 +1092,14 @@ calculate_costs (frame)
 
   FRAME_COST_BAUD_RATE (frame) = baud_rate;
 
+  scroll_region_cost = string_cost (f);
 #ifdef HAVE_X_WINDOWS
   if (FRAME_X_P (frame))
     {
       do_line_insertion_deletion_costs (frame, 0, ".5*", 0, ".5*",
                                         0, 0,
                                         x_screen_planes (frame));
+      scroll_region_cost = 0;
       return;
     }
 #endif