diff --git a/src/page.h b/src/page.h
index 3f7d3d7..4871481 100644
--- a/src/page.h
+++ b/src/page.h
@@ -1291,7 +1291,8 @@ show_block(uint64_t _blk_height)
     // initalise page tempate map with basic info about blockchain
 
     string blk_pow_hash_str = pod_to_hex(get_block_longhash(blk, _blk_height));
-    uint64_t blk_difficulty = core_storage->get_db().get_block_difficulty(_blk_height);
+    uint64_t blk_difficulty = core_storage->get_db()
+        .get_block_difficulty(_blk_height).convert_to<uint64_t>();
 
     mstch::map context {
             {"testnet"              , testnet},