diff --git a/lib/ruby_lsp/executor.rb b/lib/ruby_lsp/executor.rb
index c5cb950ae3..a94d9561eb 100644
--- a/lib/ruby_lsp/executor.rb
+++ b/lib/ruby_lsp/executor.rb
@@ -130,7 +130,7 @@ def run(request)
           )
 
           nil
-        rescue StandardError => error
+        rescue StandardError, LoadError => error
           @message_queue << Notification.new(
             message: "window/showMessage",
             params: Interface::ShowMessageParams.new(
@@ -156,7 +156,7 @@ def run(request)
       when "textDocument/diagnostic"
         begin
           diagnostic(uri)
-        rescue StandardError => error
+        rescue StandardError, LoadError => error
           @message_queue << Notification.new(
             message: "window/showMessage",
             params: Interface::ShowMessageParams.new(