diff --git a/src/CLIBase.hack b/src/CLIBase.hack
index 744caad..3d2501b 100644
--- a/src/CLIBase.hack
+++ b/src/CLIBase.hack
@@ -175,7 +175,7 @@ abstract class CLIBase implements ITerminal {
     $err = IO\request_error() ?? $out;
     try {
       $responder = new static(
-        vec(/* HH_IGNORE_ERROR[2050] */ $GLOBALS['argv']),
+        vec(/* HH_FIXME[4110] */ \HH\global_get('argv')),
         new Terminal($in, $out, $err),
       );
       return await $responder->mainAsync();