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-rw-r--r--src/nvim/screen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c
index 5bcd2c808d..25dd3aad7e 100644
--- a/src/nvim/screen.c
+++ b/src/nvim/screen.c
@@ -871,7 +871,7 @@ static void win_update(win_T *wp)
if (wp->w_lines[0].wl_lnum != wp->w_topline)
i += diff_check_fill(wp, wp->w_lines[0].wl_lnum)
- wp->w_old_topfill;
- if (i < wp->w_grid.Rows - 2) { // less than a screen off
+ if (i != 0 && i < wp->w_grid.Rows - 2) { // less than a screen off
// Try to insert the correct number of lines.
// If not the last window, delete the lines at the bottom.
// win_ins_lines may fail when the terminal can't do it.