diff --git apt-cacher-ng/scripts/expire-caller.pl apt-cacher-ng/scripts/expire-caller.pl

index b03b0f2..2a8d13d 100644

--- apt-cacher-ng/scripts/expire-caller.pl

+++ apt-cacher-ng/scripts/expire-caller.pl

@@ -35,9 +35,7 @@ sub toBase64

    }

       or do

    {

-      # dirty little helper

-      $ENV{"TOBASE64"}=$src;

-      return `/usr/lib/apt-cacher-ng/acngtool encb64 "$TOBASE64"`;

+      return `/usr/lib/apt-cacher-ng/acngtool encb64 "$src"`;

    }

 }