diff --git a/res/config.lua b/res/config.lua
index 8591ead..3bdf9f1 100644
--- a/res/config.lua
+++ b/res/config.lua
@@ -277,6 +277,7 @@ require("flutter-tools").setup {
         enabled = true
     },
     lsp = {
+        on_attach = on_attach,
         cmd = { "{{DART_PATH}}", "language-server", "--protocol=lsp" }
     }
 }