diff --git a/atst/app.py b/atst/app.py
index fcca8f44..4413a55f 100644
--- a/atst/app.py
+++ b/atst/app.py
@@ -142,6 +142,7 @@ def map_config(config):
         "RQ_REDIS_URL": config["default"]["REDIS_URI"],
         "RQ_QUEUES": [config["default"]["RQ_QUEUES"]],
         "DISABLE_CRL_CHECK": config.getboolean("default", "DISABLE_CRL_CHECK"),
+        "CRL_FAIL_OPEN": config.getboolean("default", "CRL_FAIL_OPEN"),
     }
 
 
diff --git a/config/base.ini b/config/base.ini
index 0629ec29..37f5df0a 100644
--- a/config/base.ini
+++ b/config/base.ini
@@ -7,6 +7,7 @@ CRL_STORAGE_CONTAINER = crls
 CRL_STORAGE_PROVIDER = LOCAL
 CRL_STORAGE_REGION = iad
 DISABLE_CRL_CHECK = false
+CRL_FAIL_OPEN = false
 DEBUG = true
 ENVIRONMENT = dev
 PERMANENT_SESSION_LIFETIME = 600