diff --git a/lua/spectre/replace/sed.lua b/lua/spectre/replace/sed.lua
index e81ca9e..d76e325 100644
--- a/lua/spectre/replace/sed.lua
+++ b/lua/spectre/replace/sed.lua
@@ -33,7 +33,7 @@ sed.replace = function(self, value)
         utils.escape_sed(value.search_text),
         utils.escape_sed(value.replace_text)
     )
-    local args = vim.tbl_flatten({
+    local args = utils.tbl_flatten({
         self.state.args,
         t_sed,
         value.filename,
diff --git a/lua/spectre/search/base.lua b/lua/spectre/search/base.lua
index 1ac3889..7ff1341 100644
--- a/lua/spectre/search/base.lua
+++ b/lua/spectre/search/base.lua
@@ -1,5 +1,4 @@
 ---@diagnostic disable: param-type-mismatch
-local flatten = vim.tbl_flatten
 local Job = require('plenary.job')
 local log = require('spectre._log')
 local MAX_LINE_CHARS = 255
@@ -84,7 +83,7 @@ base.on_exit = function(self, value)
 end
 
 base.search = function(self, query)
-    local args = flatten({
+    local args = utils.tbl_flatten({
         -- query.search_text,
         self.state.args,
     })
@@ -99,7 +98,7 @@ base.search = function(self, query)
 
     -- no more args
     table.insert(args, '--')
-    args = flatten(args)
+    args = utils.tbl_flatten(args)
 
     if query.cwd == '' then
         query.cwd = nil
diff --git a/lua/spectre/utils.lua b/lua/spectre/utils.lua
index 4c6c116..3cdf55a 100644
--- a/lua/spectre/utils.lua
+++ b/lua/spectre/utils.lua
@@ -216,4 +216,9 @@ M.tbl_remove_dup = function(tbl)
     end
     return res
 end
+
+M.tbl_flatten = function(t)
+    return vim.fn.has('nvim-0.11') == 1 and vim.iter(t):flatten(math.huge):totable() or vim.tbl_flatten(t)
+end
+
 return M