diff --git a/salt/switches/HP-procurve-2824.expect b/salt/switches/HP-procurve-2824.expect
index 68c5850..976a63d 100644
--- a/salt/switches/HP-procurve-2824.expect
+++ b/salt/switches/HP-procurve-2824.expect
@@ -77,7 +77,7 @@ expect "(config)# "
 
 {%-   endif %}
 
-{%-   if conf['nostp'] %}
+{%-   if conf.get('nostp') %}
 send "spanning-tree {{ conf['ports'] }} bpdu-filter\r"
 expect "(config)# "
 {%-   endif %}