diff --git a/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/CreateChangeUsingMultiGerrit.scala b/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/CreateChangeUsingMultiGerrit.scala
index eade1cf..fdacd81 100644
--- a/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/CreateChangeUsingMultiGerrit.scala
+++ b/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/CreateChangeUsingMultiGerrit.scala
@@ -25,7 +25,6 @@
 class CreateChangeUsingMultiGerrit extends GerritSimulation {
   private val data: FeederBuilder = jsonFile(resource).convert(keys).queue
   private val projectName = className
-  private val numberKey = "_number"
 
   override def relativeRuntimeWeight = 10
 
@@ -33,7 +32,7 @@
     .feed(data)
     .exec(httpRequest
       .body(ElFileBody(body)).asJson
-      .check(regex("\"" + numberKey + "\":(\\d+),").saveAs(numberKey)))
+      .check(regex("\"_" + numberKey + "\":(\\d+),").saveAs(numberKey)))
     .exec(session => {
       deleteChange.number = Some(session(numberKey).as[Int])
       session
diff --git a/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala b/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala
index 457de0d..b509a19 100644
--- a/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala
+++ b/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala
@@ -40,12 +40,12 @@
     .feed(data)
     .exec(session => {
       if (number.nonEmpty) {
-        session.set("number", number.get)
+        session.set(numberKey, number.get)
       } else {
         session
       }
     })
-    .exec(http(uniqueName).delete("${url}${number}"))
+    .exec(http(uniqueName).delete("${url}${"+ numberKey +"}"))
 
   setUp(
     test.inject(