diff --git a/controler/main.py b/controler/main.py
index a4fd37c..ea3b1d3 100644
--- a/controler/main.py
+++ b/controler/main.py
@@ -290,19 +290,22 @@ async def update_service(service_id: int, updates: dict):
         
         # Allowed fields to update
         allowed_fields = {"alias", "git_url"}
-        update_fields = {k: v for k, v in updates.items() if k in allowed_fields and v is not None}
+        update_fields = {k: v for k, v in updates.items() if k in allowed_fields}
         
         if not update_fields:
             return dict(service)
         
         # Build dynamic UPDATE query
         set_clauses = [f"{field} = ${i+1}" for i, field in enumerate(update_fields.keys())]
-        values = list(update_fields.values()) + [service_id]
+        values = list(update_fields.values())
         
-        await conn.execute(
-            f"UPDATE services SET {', '.join(set_clauses)}, last_updated = ${ len(values)} WHERE id = ${len(values)+1}",
-            *values, datetime.utcnow(), service_id
-        )
+        # Add last_updated and service_id to query
+        set_clauses.append(f"last_updated = ${len(values) + 1}")
+        values.append(datetime.utcnow())
+        values.append(service_id)
+        
+        query = f"UPDATE services SET {', '.join(set_clauses)} WHERE id = ${len(values)}"
+        await conn.execute(query, *values)
         
         updated_service = await conn.fetchrow("SELECT * FROM services WHERE id = $1", service_id)
         return dict(updated_service)