diff --git a/benchs/bench_fw/descriptors.py b/benchs/bench_fw/descriptors.py
index f7c2e9e9a0..cf0ee958fe 100644
--- a/benchs/bench_fw/descriptors.py
+++ b/benchs/bench_fw/descriptors.py
@@ -113,6 +113,8 @@ class DatasetDescriptor:
     # desc_name
     desc_name: Optional[str] = None
 
+    filename_suffix: Optional[str] = None
+
     normalize_L2: bool = False
 
     def __hash__(self):
@@ -138,6 +140,8 @@ def get_filename(
             ).replace("=", "_").replace("/", "_")
         if self.num_vectors is not None:
             filename += f"_{self.num_vectors}"
+        if self.filename_suffix is not None:
+            filename += f"_{self.filename_suffix}"
         filename += "."
 
         self.desc_name = filename