1 files changed, 2 insertions, 2 deletions

diff --git a/src/scroll.c b/src/scroll.c
index 5e45725ae30..e6929113e8a 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -89,7 +89,7 @@ calculate_scrolling (frame, matrix, window_size, lines_below,
      FRAME_PTR frame;
      /* matrix is of size window_size + 1 on each side.  */
      struct matrix_elt *matrix;
-     int window_size;
+     int window_size, lines_below;
      int *draw_cost;
      int *old_hash;
      int *new_hash;
@@ -430,7 +430,7 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below,
      FRAME_PTR frame;
      /* matrix is of size window_size + 1 on each side.  */
      struct matrix_elt *matrix;
-     int window_size;
+     int window_size, lines_below;
      int *draw_cost;
      int *old_draw_cost;
      int *old_hash;