diff --git a/lib/blocks.js b/lib/blocks.js
index 1a4dfbb..42e1018 100644
--- a/lib/blocks.js
+++ b/lib/blocks.js
@@ -141,7 +141,7 @@ BlockController.prototype.transformBlock = function(block, info) {
     time: block.ts,
     nonce: block.nonce,
     bits: block.bits,
-    difficulty: this._header.getDifficulty(),
+    difficulty: this._header.getCurrentDifficulty(),
     chainwork: info.chainwork,
     confirmations: this._block.getTip().height - info.height + 1,
     previousblockhash: info.prevHash,