diff --git a/src/solidlsp/language_servers/csharp_language_server/csharp_language_server.py b/src/solidlsp/language_servers/csharp_language_server/csharp_language_server.py
index e356fe25..55d1c01a 100644
--- a/src/solidlsp/language_servers/csharp_language_server/csharp_language_server.py
+++ b/src/solidlsp/language_servers/csharp_language_server/csharp_language_server.py
@@ -233,7 +233,7 @@ class CSharpLanguageServer(SolidLanguageServer):
 
         # Join command parts with spaces
         # ProcessLaunchInfo expects a simple string command, not shell-quoted
-        cmd = " ".join(cmd_parts)
+        cmd = cmd_parts
 
         logger.log(f"Language server command: {cmd}", logging.DEBUG)
 
diff --git a/src/solidlsp/lsp_protocol_handler/server.py b/src/solidlsp/lsp_protocol_handler/server.py
index 5045312c..0cb59490 100644
--- a/src/solidlsp/lsp_protocol_handler/server.py
+++ b/src/solidlsp/lsp_protocol_handler/server.py
@@ -50,7 +50,7 @@ class ProcessLaunchInfo:
     """
 
     # The command to launch the process
-    cmd: str
+    cmd: str | list[str]
 
     # The environment variables to set for the process
     env: dict[str, str] = dataclasses.field(default_factory=dict)