diff --git a/volatility3/framework/plugins/linux/netfilter.py b/volatility3/framework/plugins/linux/netfilter.py
index d392a8371..f576c073c 100644
--- a/volatility3/framework/plugins/linux/netfilter.py
+++ b/volatility3/framework/plugins/linux/netfilter.py
@@ -714,7 +714,7 @@ def _format_fields(self, fields):
             hook_name,
             priority,
             format_hints.Hex(hook_func),
-            module_name,
+            module_name or renderers.NotAvailableValue(),
             str(hooked),
         )