diff --git a/iguana/listassetchainparams b/iguana/listassetchainparams
index d8119991..cdc2e5ad 100755
--- a/iguana/listassetchainparams
+++ b/iguana/listassetchainparams
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 import os
 import json
 
diff --git a/iguana/listassetchains b/iguana/listassetchains
index 89b099fa..82dc4fd7 100755
--- a/iguana/listassetchains
+++ b/iguana/listassetchains
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 import os
 import json