diff --git a/olt.py b/olt.py
index 67f1044..f12b526 100644
--- a/olt.py
+++ b/olt.py
@@ -813,7 +813,7 @@
         #wait for the rule to settle
         time.sleep(3)
 
-        installDoubleTaggingRule(1, 2, self.controller)
+        installDoubleTaggingRules(1, 2, self.controller)
 
         #wait for the rules to settle
         time.sleep(3)
@@ -874,7 +874,7 @@
             for ctag in xrange(2, 4000, 100):
                 delete_all_flows(self.controller)
                 time.sleep(5)
-                installDoubleTaggingRule(stag, ctag, self.controller)
+                installDoubleTaggingRules(stag, ctag, self.controller)
                 time.sleep(5)
                 testPacketFlow(self, ctag, stag)