diff --git a/master/custom/factories.py b/master/custom/factories.py
index a56f5eb5..65f1be06 100644
--- a/master/custom/factories.py
+++ b/master/custom/factories.py
@@ -46,6 +46,11 @@ def __init__(self, source, *, extra_tags=[], **kwargs):
         self.setup(**kwargs)
         self.tags = self.factory_tags + extra_tags
 
+        self.test_environ = {
+            "BUILDBOT": "1", # Every time you use this option, a puppy dies!!
+            **getattr(self, "test_environ", {}),
+        }
+
 
 ##############################################################################
 ###############################  UNIX BUILDS  ################################