diff --git a/src/tests/integration/test_duckDB.py b/src/tests/integration/test_duckDB.py
index d0c460e25..a3cf152d6 100644
--- a/src/tests/integration/test_duckDB.py
+++ b/src/tests/integration/test_duckDB.py
@@ -235,3 +235,10 @@ def test_commits_all_statements(ip, sql, request):
     out = ip.run_cell(sql)
     assert out.error_in_exec is None
     assert out.result.dict() == {"x": (1, 2)}
+
+
+def test_can_query_existing_df(ip_with_duckdb_sqlalchemy_empty):
+    df = pd.DataFrame({"city": ["NYC"]})
+    ip_with_duckdb_sqlalchemy_empty.run_cell("%sql SET python_scan_all_frames=true")
+    out = ip_with_duckdb_sqlalchemy_empty.run_cell("%sql SELECT * FROM df;")
+    assert out.result.dict() == {"city": ("NYC",)}