diff --git a/regina/db_operation/visualize.py b/regina/db_operation/visualize.py
index 041e94c..c3d5644 100644
--- a/regina/db_operation/visualize.py
+++ b/regina/db_operation/visualize.py
@@ -312,7 +312,7 @@ def cleanup_referer(referer: str) -> str:
     """
     m = fullmatch(re_uri_full, referer)
     if not m:
-        pdebug(f"cleanup_referer: Could not match referer '{referer}'")
+        warning(f"cleanup_referer: Could not match referer '{referer}'")
         return referer
     # pdebug(f"cleanup_referer: {referer} - {m.groups()}")
     protocol = m.groups()[0]
@@ -326,7 +326,6 @@ def cleanup_referer(referer: str) -> str:
         if len(domain.split(".")) == 2:  # if domain.tld
             referer = domain.split(".")[0]
     if not settings["referer_ranking_ignore_subdomain"]: referer = subdomains + referer
-    if not settings["referer_ranking_ignore_subdomain"]: referer = subdomains + referer
     if not settings["referer_ranking_ignore_protocol"]: referer = protocol + "://" + referer
     if not settings["referer_ranking_ignore_location"]: referer += location
     # pdebug(f"cleanup_referer: cleaned up: {referer}")