diff --git a/plugin.py b/plugin.py
index dca53b2..9f58faf 100644
--- a/plugin.py
+++ b/plugin.py
@@ -8,7 +8,7 @@
 import sublime
 from LSP.plugin import ClientConfig, DottedDict, Response, WorkspaceFolder
 from LSP.plugin.core.protocol import CompletionItem, Hover, SignatureHelp
-from LSP.plugin.core.typing import Any, Callable, List, Optional, Tuple, cast
+from LSP.plugin.core.typing import Any, Callable, Iterable, List, Optional, Tuple, cast
 from lsp_utils import NpmClientHandler
 from sublime_lib import ResourcePath
 
@@ -37,6 +37,12 @@ def get_default_startupinfo() -> Any:
     return None
 
 
+def command_to_str(command: Iterable[str]) -> str:
+    if isinstance(command, str):
+        return command
+    return " ".join(map(shlex.quote, command))
+
+
 class LspPyrightPlugin(NpmClientHandler):
     package_name = __package__.partition(".")[0]
     server_directory = "language-server"
@@ -245,13 +251,13 @@ def binary_from_python_path(path: str) -> Optional[str]:
                 except PermissionError:
                     print(
                         "{}: WARN: {} detected but encountered permission error: {}".format(
-                            cls.name(), config_file, command
+                            cls.name(), config_file, command_to_str(command)
                         )
                     )
                 except subprocess.CalledProcessError:
                     print(
-                        "{}: WARN: {} detected but {} exited with non-zero exit status".format(
-                            cls.name(), config_file, " ".join(map(shlex.quote, command))
+                        "{}: WARN: {} detected but exited with non-zero exit status: {}".format(
+                            cls.name(), config_file, command_to_str(command)
                         )
                     )