diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index 4cc9d7db3b..a54af3ad58 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -312,6 +312,12 @@ public:
         return (vin.size() == 1 && vin[0].prevout.IsNull());
     }
 
+    //! Asset definition transactions must have more than 1 input
+    bool IsAssetDefinition() const
+    {
+        return (vin.size() > 1 && vin[0].prevout.IsNull());
+    }
+
     friend bool operator==(const CTransaction& a, const CTransaction& b)
     {
         return a.hash == b.hash;