diff --git a/lua/lazyvim/plugins/extras/lang/ruby.lua b/lua/lazyvim/plugins/extras/lang/ruby.lua
index d949e429..9e21331e 100644
--- a/lua/lazyvim/plugins/extras/lang/ruby.lua
+++ b/lua/lazyvim/plugins/extras/lang/ruby.lua
@@ -36,7 +36,10 @@ return {
           enabled = lsp == "solargraph",
         },
         rubocop = {
-          enabled = formatter == "rubocop",
+          -- If Solargraph and Rubocop are both enabled as an LSP,
+          -- diagnostics will be duplicated because Solargraph
+          -- already calls Rubocop if it is installed
+          enabled = formatter == "rubocop" and lsp ~= "solargraph",
         },
         standardrb = {
           enabled = formatter == "standardrb",