diff --git a/src/evalwindow.c b/src/evalwindow.c
index ceca2c9..f8b903d 100644
--- a/src/evalwindow.c
+++ b/src/evalwindow.c
@@ -426,6 +426,7 @@
     dict_add_number(dict, "wincol", wp->w_wincol + 1);
     dict_add_number(dict, "textoff", win_col_off(wp));
     dict_add_number(dict, "bufnr", wp->w_buffer->b_fnum);
+    dict_add_number(dict, "leftcol", wp->w_leftcol);
 
 #ifdef FEAT_TERMINAL
     dict_add_number(dict, "terminal", bt_terminal(wp->w_buffer));