diff --git a/data/justice/main.py b/data/justice/main.py
index 9333694..f7956c9 100644
--- a/data/justice/main.py
+++ b/data/justice/main.py
@@ -19,7 +19,7 @@
 NON_ISO_DATUM = re.compile(r"^(\d{1,2})[\.\-](\d{1,2})[\.\-](\d{4})$")
 HTTP_TIMEOUT = 60
 CACHE_DIR = "cache"
-CACHE_ENABLED = False
+CACHE_ENABLED = bool(int(os.environ.get("CACHE_ENABLED", "0")))
 
 
 def gen_schema(element, parent=None):