diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 7fa8b3154b..92a5bed4f2 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -369,7 +369,10 @@ public:
     CTxOutValue nInflationKeys;
 
 public:
-    // FIXME: constructor and methods
+    CAssetIssuance()
+    {
+        SetNull();
+    }
 
     ADD_SERIALIZE_METHODS;