diff --git a/tests/sys/netpfil/pf/nat66.py b/tests/sys/netpfil/pf/nat66.py
index 12d3cb25af0a..3a037ac710fc 100644
--- a/tests/sys/netpfil/pf/nat66.py
+++ b/tests/sys/netpfil/pf/nat66.py
@@ -47,7 +47,7 @@ def run(self):
         sp.send(self._packet)
 
 class TestNAT66(VnetTestTemplate):
-    REQUIRED_MODUES = [ "pf" ]
+    REQUIRED_MODULES = [ "pf" ]
     TOPOLOGY = {
         "vnet1": {"ifaces": ["if1"]},
         "vnet2": {"ifaces": ["if1", "if2"]},