diff --git a/util/sst_dump_tool.cc b/util/sst_dump_tool.cc
index 0b6708f2c..0f135d841 100644
--- a/util/sst_dump_tool.cc
+++ b/util/sst_dump_tool.cc
@@ -126,14 +126,14 @@ uint64_t SstFileReader::CalculateCompressedTableSize(
   unique_ptr<Iterator> iter(table_reader_->NewIterator(ReadOptions()));
   for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
     if (!iter->status().ok()) {
-      fprintf(stderr, iter->status().ToString().c_str());
+      fputs(iter->status().ToString().c_str(), stderr);
       exit(1);
     }
     table_builder_->Add(iter->key(), iter->value());
   }
   Status s = table_builder_->Finish();
   if (!s.ok()) {
-    fprintf(stderr, s.ToString().c_str());
+    fputs(s.ToString().c_str(), stderr);
     exit(1);
   }
   uint64_t size = table_builder_->FileSize();