diff --git a/catalog/dags/common/loader/provider_details.py b/catalog/dags/common/loader/provider_details.py
index 08b805bfb5e..ad04d75f1c0 100644
--- a/catalog/dags/common/loader/provider_details.py
+++ b/catalog/dags/common/loader/provider_details.py
@@ -124,7 +124,14 @@
 
 # User-Agent header for APIs that require it
 CONTACT_EMAIL = os.getenv("CONTACT_EMAIL")
-CANONICAL_ORIGIN = os.getenv("CANONICAL_ORIGIN", "https://openverse.org")
+
+CANONICAL_DOMAIN: str = os.getenv(
+    "CANONICAL_DOMAIN", "https://openverse.org"
+)  # required
+
+_proto = "http" if "localhost" in CANONICAL_DOMAIN else "https"
+CANONICAL_ORIGIN: str = f"{_proto}://{CANONICAL_DOMAIN}"
+
 UA_STRING = f"Openverse/0.1 ({CANONICAL_ORIGIN}; {CONTACT_EMAIL})"