diff --git a/lua/neotest-rspec/config.lua b/lua/neotest-rspec/config.lua
index e2cc4d1..b330c17 100644
--- a/lua/neotest-rspec/config.lua
+++ b/lua/neotest-rspec/config.lua
@@ -28,4 +28,16 @@ M.formatter = function()
   return "NeotestFormatter"
 end
 
+M.formatter_path = function()
+  -- Get the directory of the current init.lua file
+  local plugin_root =
+    vim.fn.fnamemodify(vim.api.nvim_get_runtime_file("lua/neotest-rspec/init.lua", false)[1], ":h:h:h")
+
+  -- Construct the path to formatter.rb
+  local formatter_path = plugin_root .. "/neotest_formatter.rb"
+
+  -- Return the absolute path
+  return vim.fn.resolve(formatter_path)
+end
+
 return M
diff --git a/lua/neotest-rspec/init.lua b/lua/neotest-rspec/init.lua
index f42187e..7fcf086 100644
--- a/lua/neotest-rspec/init.lua
+++ b/lua/neotest-rspec/init.lua
@@ -84,18 +84,6 @@ function NeotestAdapter.discover_positions(path)
   })
 end
 
-local function get_formatter_path()
-  -- Get the directory of the current init.lua file
-  local plugin_root =
-    vim.fn.fnamemodify(vim.api.nvim_get_runtime_file("lua/neotest-rspec/init.lua", false)[1], ":h:h:h")
-
-  -- Construct the path to formatter.rb
-  local formatter_path = plugin_root .. "/neotest_formatter.rb"
-
-  -- Return the absolute path
-  return vim.fn.resolve(formatter_path)
-end
-
 ---@param args neotest.RunArgs
 ---@return neotest.RunSpec | nil
 function NeotestAdapter.build_spec(args)
@@ -110,8 +98,8 @@ function NeotestAdapter.build_spec(args)
   if match and match ~= 0 then engine_name = string.sub(path, 0, match - 1) end
   local results_path = config.results_path()
 
-  local formatter_path = get_formatter_path()
   local formatter = config.formatter()
+  local formatter_path = config.formatter_path()
 
   local script_args = {
     "-f",
@@ -264,6 +252,13 @@ setmetatable(NeotestAdapter, {
         return opts.formatter
       end
     end
+    if is_callable(opts.formatter_path) then
+      config.formatter_path = opts.formatter_path
+    elseif opts.formatter_path then
+      config.formatter_path = function()
+        return opts.formatter_path
+      end
+    end
     return NeotestAdapter
   end,
 })