diff --git a/lib/bcoin/protocol/framer.js b/lib/bcoin/protocol/framer.js
index 1f9ca4ff..4970e645 100644
--- a/lib/bcoin/protocol/framer.js
+++ b/lib/bcoin/protocol/framer.js
@@ -128,7 +128,7 @@ function varint(arr, value, off) {
     arr[off + 4] = value >>> 24;
     return 5;
   } else {
-    p[off] = 0xff;
+    arr[off] = 0xff;
     utils.writeU64(arr, value, off + 1);
     return 9;
   }