diff --git a/src/nvim/memline.c b/src/nvim/memline.c
index b100942594..5839061aac 100644
--- a/src/nvim/memline.c
+++ b/src/nvim/memline.c
@@ -2523,7 +2523,7 @@ static int ml_delete_int(buf_T *buf, linenr_T lnum, bool message)
       set_keep_msg(_(no_lines_msg), 0);
     }
 
-    int i = ml_replace(1, "", true);
+    int i = ml_replace_buf(buf, 1, "", true);
     buf->b_ml.ml_flags |= ML_EMPTY;
 
     return i;
diff --git a/test/functional/api/buffer_spec.lua b/test/functional/api/buffer_spec.lua
index 0afe619b03..73a8749682 100644
--- a/test/functional/api/buffer_spec.lua
+++ b/test/functional/api/buffer_spec.lua
@@ -279,6 +279,18 @@ describe('api/buf', function()
         ]]}
       end)
     end)
+
+    it('handles clearing out non-current buffer #24911', function()
+        local buf = meths.get_current_buf()
+        meths.buf_set_lines(buf, 0, -1, true, {"aaa", "bbb", "ccc"})
+        command("new")
+
+        meths.buf_set_lines(0, 0, -1, true, {"xxx", "yyy", "zzz"})
+
+        meths.buf_set_lines(buf, 0, -1, true, {})
+        eq({"xxx", "yyy", "zzz"}, meths.buf_get_lines(0, 0, -1, true))
+        eq({''}, meths.buf_get_lines(buf, 0, -1, true))
+    end)
   end)
 
   describe('deprecated: {get,set,del}_line', function()