diff --git a/lib/protocol/ColoringEngine.js b/lib/protocol/ColoringEngine.js
index <HASH>..<HASH> 100644
--- a/lib/protocol/ColoringEngine.js
+++ b/lib/protocol/ColoringEngine.js
@@ -235,7 +235,10 @@ ColoringEngine.prototype._computeAssetIds = function (inputs, markerOutputIndex,
     } else {
       result.push(new TransactionOutput(
         outputs[i].v.readInt32LE(0),
-        outputs[i].s));
+        outputs[i].s,
+        null,
+        null,
+        OutputType.ISSUANCE));
     }
   }
Ensure issuance outputs always have output type 'isuance'