diff --git a/arg/__init__.py b/arg/__init__.py
index 5db26ae..aa6e4b8 100644
--- a/arg/__init__.py
+++ b/arg/__init__.py
@@ -2,4 +2,5 @@ import sys
 
 
 def split() -> tuple[str, list[str]]:
-    return sys.argv[0], sys.argv[1:]
+    command, *arguments = sys.argv
+    return command, arguments