diff --git a/atomics/T1031/T1031.yaml b/atomics/T1031/T1031.yaml
index 1b647c6e..e75b89e7 100644
--- a/atomics/T1031/T1031.yaml
+++ b/atomics/T1031/T1031.yaml
@@ -17,4 +17,5 @@ atomic_tests:
     command: |
       sc config Fax binPath= "C:\windows\system32\WindowsPowerShell\v1.0\powershell.exe -noexit -c \"write-host 'T1031 Test'\""
       sc start Fax
+    cleanup_command:
       sc config Fax binPath= "C:\WINDOWS\system32\fxssvc.exe"