diff --git a/tests/Cluster.py b/tests/Cluster.py
index d5b4167370e..668453e9b61 100644
--- a/tests/Cluster.py
+++ b/tests/Cluster.py
@@ -618,7 +618,7 @@ def doNodesHaveBlockNum(nodes, targetBlockNum, blockType, printCount):
 
     @staticmethod
     def createAMQPQueue(queueName):
-        cmd="curl -u guest:guest -H \"content-type:application/json\" -XPUT http://127.0.0.1:15672/api/queues/\%2F/%s -d'{\"durable\":true}' " % \
+        cmd="curl -u guest:guest -H \"content-type:application/json\" -XPUT http://127.0.0.1:15672/api/queues/%%2F/%s -d'{\"durable\":true}' " % \
             (queueName)
         return Utils.runCmdReturnStr(cmd)