diff --git a/benchs/bench_fw/descriptors.py b/benchs/bench_fw/descriptors.py
index 54bd47bbbf..ab7d09b8f5 100644
--- a/benchs/bench_fw/descriptors.py
+++ b/benchs/bench_fw/descriptors.py
@@ -113,7 +113,9 @@ def get_filename(
         assert self.tablename is not None
         filename += self.tablename
         if self.partitions is not None:
-            filename += "_" + "_".join(self.partitions).replace("=", "_")
+            filename += "_" + "_".join(
+                self.partitions
+            ).replace("=", "_").replace("/", "_")
         if self.num_vectors is not None:
             filename += f"_{self.num_vectors}"
         filename += "."