1 files changed, 1 insertions, 1 deletions
diff --git a/src/nvim/window.c b/src/nvim/window.c
index 0fff93d984..cec0dfd67f 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -6986,7 +6986,7 @@ void win_findbuf(typval_T *argvars, list_T *list)
   int bufnr = tv_get_number(&argvars[0]);
 
   FOR_ALL_TAB_WINDOWS(tp, wp) {
-    if (wp->w_buffer->b_fnum == bufnr) {
+    if (!wp->w_closing && wp->w_buffer->b_fnum == bufnr) {
       tv_list_append_number(list, wp->handle);
     }
   }