diff --git a/data/processors/aliases.py b/data/processors/aliases.py
index 50ee8dc6c..4129aa250 100644
--- a/data/processors/aliases.py
+++ b/data/processors/aliases.py
@@ -1,18 +1,17 @@
 from typing import Any
 
 
-
 def extract_arch_name(entry: dict) -> str | None:
     """Extract the arch name from the entry"""
     if entry["type"] == "building":
         return f"@{entry['id']}"
     return entry.get("tumonline_data", {}).get("arch_name", None)
 
+
 def add_aliases(data: dict[str, dict[str, Any]]) -> None:
     """Add coordinates to all entries and check for issues"""
-    
     for _id, entry in data.items():
         entry["aliases"] = []
         if arch_name := extract_arch_name(entry):
-            entry["arch_name"] = arch_name,
-            entry["aliases"].append(arch_name)
\ No newline at end of file
+            entry["arch_name"] = arch_name
+            entry["aliases"].append(arch_name)