diff --git a/src/blockchain_utilities/blockchain_converter.cpp b/src/blockchain_utilities/blockchain_converter.cpp
index 855dde64..d18ce878 100644
--- a/src/blockchain_utilities/blockchain_converter.cpp
+++ b/src/blockchain_utilities/blockchain_converter.cpp
@@ -236,7 +236,7 @@ int main(int argc, char* argv[])
   }
 
   if (opt_batch)
-    blockchain->batch_start();
+    blockchain->batch_start(db_batch_size);
   uint64_t i = 0;
   for (i = start_block; i < end_block + 1; ++i)
   {
@@ -277,7 +277,7 @@ int main(int argc, char* argv[])
           std::cout << "\r                   \r";
           std::cout << "[- batch commit at height " << i + 1 << " -]" << ENDL;
           blockchain->batch_stop();
-          blockchain->batch_start();
+          blockchain->batch_start(db_batch_size);
           std::cout << ENDL;
           blockchain->show_stats();
         }
diff --git a/src/blockchain_utilities/blockchain_import.cpp b/src/blockchain_utilities/blockchain_import.cpp
index aeed2b33..924b46d2 100644
--- a/src/blockchain_utilities/blockchain_import.cpp
+++ b/src/blockchain_utilities/blockchain_import.cpp
@@ -254,7 +254,7 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
   }
 
   if (use_batch)
-    simple_core.batch_start();
+    simple_core.batch_start(db_batch_size);
 
   LOG_PRINT_L0("Reading blockchain from bootstrap file...");
   std::cout << ENDL;
@@ -482,7 +482,7 @@ int import_from_file(FakeCore& simple_core, std::string& import_file_path, uint6
             // zero-based height
             std::cout << ENDL << "[- batch commit at height " << h-1 << " -]" << ENDL;
             simple_core.batch_stop();
-            simple_core.batch_start();
+            simple_core.batch_start(db_batch_size);
             std::cout << ENDL;
 #if !defined(BLOCKCHAIN_DB) || (BLOCKCHAIN_DB == DB_LMDB)
             simple_core.m_storage.get_db().show_stats();