diff --git a/db/compaction/compaction.cc b/db/compaction/compaction.cc
index bbab8f79fb56..ab7e7eaedfc7 100644
--- a/db/compaction/compaction.cc
+++ b/db/compaction/compaction.cc
@@ -827,6 +827,7 @@ std::unique_ptr<CompactionFilter> Compaction::CreateCompactionFilter() const {
   context.is_full_compaction = is_full_compaction_;
   context.is_manual_compaction = is_manual_compaction_;
   context.input_start_level = start_level_;
+  context.is_bottommost_level = bottommost_level_;
   context.column_family_id = cfd_->GetID();
   context.reason = TableFileCreationReason::kCompaction;
   context.input_table_properties = GetInputTableProperties();
diff --git a/include/rocksdb/compaction_filter.h b/include/rocksdb/compaction_filter.h
index 1784f2329ac6..410ee4d3ab0e 100644
--- a/include/rocksdb/compaction_filter.h
+++ b/include/rocksdb/compaction_filter.h
@@ -164,6 +164,8 @@ class CompactionFilter : public Customizable {
     // The lowest level among all the input files (if any) used in table
     // creation
     int input_start_level = kUnknownStartLevel;
+    // Whether output files are in bottommost level or not.
+    bool is_bottommost_level;
     // The column family that will contain the created table file.
     uint32_t column_family_id;
     // Reason this table file is being created.