diff --git a/apps/heimdall/web-app.yaml b/apps/heimdall/web-app.yaml
index fc59ff7..ec1a60f 100644
--- a/apps/heimdall/web-app.yaml
+++ b/apps/heimdall/web-app.yaml
@@ -113,6 +113,9 @@ data:
     def columns(conn, table):
         return {row[1] for row in conn.execute(f"pragma table_info({table})")}
 
+    def quote_identifier(name):
+        return '"' + name.replace('"', '""') + '"'
+
     def wait_for_items_table(db_path):
         while True:
             try:
@@ -130,7 +133,7 @@ data:
 
         for order, link in enumerate(links):
             existing = conn.execute(
-                "select id from items where title = ?",
+                'select "id" from "items" where "title" = ?',
                 (link["title"],),
             ).fetchone()
             values = {
@@ -155,10 +158,10 @@ data:
                     name for name in values
                     if name in item_columns and name not in ("id", "title", "created_at")
                 ]
-                assignments = ", ".join(f"{name} = ?" for name in update_columns)
+                assignments = ", ".join(f"{quote_identifier(name)} = ?" for name in update_columns)
                 params = [values[name] for name in update_columns]
                 params.append(existing[0])
-                conn.execute(f"update items set {assignments} where id = ?", params)
+                conn.execute(f'update "items" set {assignments} where "id" = ?', params)
                 continue
 
             insert_columns = [
@@ -166,8 +169,9 @@ data:
                 if name in item_columns and name != "deleted_at"
             ]
             placeholders = ", ".join("?" for _ in insert_columns)
+            quoted_insert_columns = ", ".join(quote_identifier(name) for name in insert_columns)
             conn.execute(
-                f"insert into items ({', '.join(insert_columns)}) values ({placeholders})",
+                f'insert into "items" ({quoted_insert_columns}) values ({placeholders})',
                 [values[name] for name in insert_columns],
             )