diff --git a/python/understack-workflows/understack_workflows/flavor_detect.py b/python/understack-workflows/understack_workflows/flavor_detect.py
index f779c9f40..1fcca2e1c 100644
--- a/python/understack-workflows/understack_workflows/flavor_detect.py
+++ b/python/understack-workflows/understack_workflows/flavor_detect.py
@@ -1,3 +1,5 @@
+import os
+
 from flavor_matcher.machine import Machine
 from flavor_matcher.matcher import FlavorSpec
 from flavor_matcher.matcher import Matcher
@@ -8,7 +10,8 @@
 from understack_workflows.helpers import setup_logger
 
 logger = setup_logger(__name__)
-FLAVORS = FlavorSpec.from_directory("/etc/understack_flavors/")
+FLAVORS_DIR = os.getenv("FLAVORS_DIR", "/etc/understack_flavors/")
+FLAVORS = FlavorSpec.from_directory(FLAVORS_DIR)
 logger.info(f"Loaded {len(FLAVORS)} flavor specifications.")