diff --git a/languages.toml b/languages.toml
index 1bab34330..056fb9fa3 100644
--- a/languages.toml
+++ b/languages.toml
@@ -217,7 +217,7 @@ file-types = ["cs"]
 roots = ["sln", "csproj"]
 comment-token = "//"
 indent = { tab-width = 4, unit = "\t" }
-language-server = { command = "OmniSharp", args = [ "--languageserver", "--stdio" ] }
+language-server = { command = "OmniSharp", args = [ "--languageserver" ] }
 
 [[grammar]]
 name = "c-sharp"