diff --git a/cli.php b/cli.php
index 9abe279..f1dd915 100644
--- a/cli.php
+++ b/cli.php
@@ -199,7 +199,6 @@ class cli
       $keyStdIn = reset ($tab);
       $dataStdIn = file_get_contents ("php://stdin");
       $argv[$keyStdIn] = $dataStdIn;
-      unset ($keyStdIn);
     }
 
     // Convert "toto=ror&ypyp=oo" arg to array("toto"=>"ror","ypyp"=>"oo")