diff --git a/src/test/scala/beam/utils/scenario/PreviousRunPlanMergerTest.scala b/src/test/scala/beam/utils/scenario/PreviousRunPlanMergerTest.scala
index a5ce1a18abd..f9642f20adb 100644
--- a/src/test/scala/beam/utils/scenario/PreviousRunPlanMergerTest.scala
+++ b/src/test/scala/beam/utils/scenario/PreviousRunPlanMergerTest.scala
@@ -170,7 +170,7 @@ class PreviousRunPlanMergerTest extends AnyWordSpecLike with Matchers {
       planIndex,
       1,
       true,
-      "activity",
+      PlanElement.Activity,
       0,
       Some("a"),
       Some(1),
@@ -202,7 +202,7 @@ class PreviousRunPlanMergerTest extends AnyWordSpecLike with Matchers {
     0,
     planScore,
     true,
-    "activity",
+    PlanElement.Activity,
     planElementIdx,
     Some(activityType),
     Some(x),
@@ -226,7 +226,7 @@ class PreviousRunPlanMergerTest extends AnyWordSpecLike with Matchers {
       0,
       planScore,
       true,
-      "leg",
+      PlanElement.Leg,
       planElementIdx,
       None,
       None,