diff --git a/lib/http/server.js b/lib/http/server.js
index 1079ce3e..23fb3d97 100644
--- a/lib/http/server.js
+++ b/lib/http/server.js
@@ -279,9 +279,9 @@ HTTPServer.prototype.initRouter = function initRouter() {
     }
 
     const height = await this.chain.getHeight(hash);
-    const depth = this.chain.height - height + 1;
+    const confirmations = this.chain.height - height;
 
-    res.send(200, block.getJSON(this.network, view, height, depth));
+    res.send(200, block.getJSON(this.network, view, height, confirmations));
   });
 
   // Mempool snapshot