diff --git a/common/run-query-duckdb.py b/common/run-query-duckdb.py
index 2c85fdb..f4d6299 100755
--- a/common/run-query-duckdb.py
+++ b/common/run-query-duckdb.py
@@ -27,7 +27,7 @@
             # set number of cores
             con.execute("PRAGMA threads={}".format(c))
             start = timeit.default_timer()
-            result = con.execute(query).fetchall()
+            result = con.execute(query).fetch_arrow_table()
             end = timeit.default_timer()
             print(end-start)