1 files changed, 9 insertions, 2 deletions
diff --git a/src/test/fuzz/load_external_block_file.cpp b/src/test/fuzz/load_external_block_file.cpp
index bfa977520b..f4b7dc08fd 100644
--- a/src/test/fuzz/load_external_block_file.cpp
+++ b/src/test/fuzz/load_external_block_file.cpp
@@ -31,6 +31,13 @@ FUZZ_TARGET_INIT(load_external_block_file, initialize_load_external_block_file)
     if (fuzzed_block_file == nullptr) {
         return;
     }
-    FlatFilePos flat_file_pos;
-    g_setup->m_node.chainman->ActiveChainstate().LoadExternalBlockFile(fuzzed_block_file, fuzzed_data_provider.ConsumeBool() ? &flat_file_pos : nullptr);
+    if (fuzzed_data_provider.ConsumeBool()) {
+        // Corresponds to the -reindex case (track orphan blocks across files).
+        FlatFilePos flat_file_pos;
+        std::multimap<uint256, FlatFilePos> blocks_with_unknown_parent;
+        g_setup->m_node.chainman->ActiveChainstate().LoadExternalBlockFile(fuzzed_block_file, &flat_file_pos, &blocks_with_unknown_parent);
+    } else {
+        // Corresponds to the -loadblock= case (orphan blocks aren't tracked across files).
+        g_setup->m_node.chainman->ActiveChainstate().LoadExternalBlockFile(fuzzed_block_file);
+    }
 }