diff --git a/src/applications/harbormaster/step/HarbormasterWaitForPreviousBuildStepImplementation.php b/src/applications/harbormaster/step/HarbormasterWaitForPreviousBuildStepImplementation.php
--- a/src/applications/harbormaster/step/HarbormasterWaitForPreviousBuildStepImplementation.php
+++ b/src/applications/harbormaster/step/HarbormasterWaitForPreviousBuildStepImplementation.php
@@ -14,7 +14,7 @@
   }
 
   public function getBuildStepGroupKey() {
-    return HarbormasterPrototypeBuildStepGroup::GROUPKEY;
+    return HarbormasterControlBuildStepGroup::GROUPKEY;
   }
 
   public function execute(