diff --git a/db/compaction/compaction.cc b/db/compaction/compaction.cc
index 53895fa7c46..fc76f93f1c5 100644
--- a/db/compaction/compaction.cc
+++ b/db/compaction/compaction.cc
@@ -686,12 +686,11 @@ bool Compaction::KeyRangeNotExistsBeyondOutputLevel(
 };
 
 // Mark (or clear) each file that is being compacted
-void Compaction::MarkFilesBeingCompacted(bool mark_as_compacted) {
+void Compaction::MarkFilesBeingCompacted(bool being_compacted) const {
   for (size_t i = 0; i < num_input_levels(); i++) {
     for (size_t j = 0; j < inputs_[i].size(); j++) {
-      assert(mark_as_compacted ? !inputs_[i][j]->being_compacted
-                               : inputs_[i][j]->being_compacted);
-      inputs_[i][j]->being_compacted = mark_as_compacted;
+      assert(being_compacted != inputs_[i][j]->being_compacted);
+      inputs_[i][j]->being_compacted = being_compacted;
     }
   }
 }
diff --git a/db/compaction/compaction.h b/db/compaction/compaction.h
index ad2ce2172f7..633e68a9eac 100644
--- a/db/compaction/compaction.h
+++ b/db/compaction/compaction.h
@@ -436,7 +436,7 @@ class Compaction {
                                       const int output_level);
 
   // mark (or clear) all files that are being compacted
-  void MarkFilesBeingCompacted(bool mark_as_compacted);
+  void MarkFilesBeingCompacted(bool being_compacted) const;
 
  private: