diff --git a/db/db_bench.cc b/db/db_bench.cc
index 888b093e3..a7025ca3e 100644
--- a/db/db_bench.cc
+++ b/db/db_bench.cc
@@ -2548,6 +2548,8 @@ class Benchmark {
     }
     options.soft_rate_limit = FLAGS_soft_rate_limit;
     options.hard_rate_limit = FLAGS_hard_rate_limit;
+    options.soft_pending_compaction_bytes_limit =
+        FLAGS_soft_pending_compaction_bytes_limit;
     options.hard_pending_compaction_bytes_limit =
         FLAGS_hard_pending_compaction_bytes_limit;
     options.delayed_write_rate = FLAGS_delayed_write_rate;