diff --git a/nac3standalone/demo/interpret_demo.py b/nac3standalone/demo/interpret_demo.py
index 5167ae8e1..2eb5d35ff 100755
--- a/nac3standalone/demo/interpret_demo.py
+++ b/nac3standalone/demo/interpret_demo.py
@@ -133,6 +133,7 @@ def patch(module):
             "output_uint32",
             "output_uint64",
             "output_strln",
+            "output_range",
         }:
             return print
         elif name == "dbg_stack_address":