diff --git a/plugins/bak/tests/test_bak.fish b/plugins/bak/tests/test_bak.fish
index f6a294f..abb4f1a 100755
--- a/plugins/bak/tests/test_bak.fish
+++ b/plugins/bak/tests/test_bak.fish
@@ -1,3 +1,6 @@
+#!/usr/bin/env fish
+
+
 function suite_bak
   function setup
     return 0
@@ -104,5 +107,4 @@ if not set -q tank_running
   tank_run
 
   popd
-  set -e test_dir
 end