diff --git a/runtime/lua/vim/lsp.lua b/runtime/lua/vim/lsp.lua
index b17dd692cd..0424d79f31 100644
--- a/runtime/lua/vim/lsp.lua
+++ b/runtime/lua/vim/lsp.lua
@@ -529,7 +529,7 @@ local function lsp_enable_callback(bufnr)
   -- Stop any clients that no longer apply to this buffer.
   local clients = lsp.get_clients({ bufnr = bufnr, _uninitialized = true })
   for _, client in ipairs(clients) do
-    if not can_start(bufnr, client.name, lsp.config[client.name]) then
+    if lsp.config[client.name] and not can_start(bufnr, client.name, lsp.config[client.name]) then
       lsp.buf_detach_client(bufnr, client.id)
     end
   end