diff --git a/tools/datasets/csvutil.py b/tools/datasets/csvutil.py
index 8ad7294..64fc33c 100644
--- a/tools/datasets/csvutil.py
+++ b/tools/datasets/csvutil.py
@@ -305,6 +305,7 @@ def parse_args():
     # aesthetic filtering
     parser.add_argument("--aesmin", type=float, default=None)
     parser.add_argument("--matchmin", type=float, default=None)
+    parser.add_argument("--flowmin", type=float, default=None)
 
     return parser.parse_args()
 
@@ -352,6 +353,8 @@ def get_output_path(args, input_name):
     # clip score filtering
     if args.matchmin is not None:
         name += f"_matchmin{args.matchmin}"
+    if args.flowmin is not None:
+        name += f"_flowmin{args.flowmin}"
     # sort
     if args.sort_descending is not None:
         assert args.sort_ascending is None
@@ -476,6 +479,9 @@ def main(args):
     if args.matchmin is not None:
         assert "match" in data.columns
         data = data[data["match"] >= args.matchmin]
+    if args.flowmin is not None:
+        assert "flow" in data.columns
+        data = data[data["flow"] >= args.flowmin]
     print(f"Filtered number of samples: {len(data)}.")
 
     # sort