diff --git a/lua/astrocommunity/pack/fish/init.lua b/lua/astrocommunity/pack/fish/init.lua
index c415ec4f6..b1db94d83 100644
--- a/lua/astrocommunity/pack/fish/init.lua
+++ b/lua/astrocommunity/pack/fish/init.lua
@@ -12,12 +12,11 @@ return {
     optional = true,
     opts = function(_, opts)
       local nls = require "null-ls"
-      if type(opts.sources) == "table" then
-        opts.sources = vim.list_extend(opts.sources, {
-          nls.builtins.formatting.fish_indent,
-          nls.builtins.diagnostics.fish,
-        })
-      end
+      if not opts.sources then opts.sources = {} end
+      opts.sources = vim.list_extend(opts.sources, {
+        nls.builtins.formatting.fish_indent,
+        nls.builtins.diagnostics.fish,
+      })
     end,
   },
   {