diff --git a/modules/exploits/linux/http/panos_readsessionvars.rb b/modules/exploits/linux/http/panos_readsessionvars.rb
index c588dbf0eb..8a042e0584 100644
--- a/modules/exploits/linux/http/panos_readsessionvars.rb
+++ b/modules/exploits/linux/http/panos_readsessionvars.rb
@@ -125,7 +125,7 @@ class MetasploitModule < Msf::Exploit::Remote
       return
     end
 
-    register_dirs_for_cleanup(base_directory)
+    register_dirs_for_cleanup(target_directory)
 
     print_status("Waiting up to 20 minutes for the cronjob to fire and execute...")
     expiry = Time.at(Time.now.to_i + (60*20)).to_i