1 files changed, 2 insertions, 1 deletions
diff --git a/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/integration/NodeRepositoryMock.java b/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/integration/NodeRepositoryMock.java
index a2a1b4ba0a1..7b67db39350 100644
--- a/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/integration/NodeRepositoryMock.java
+++ b/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/integration/NodeRepositoryMock.java
@@ -26,6 +26,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.TreeMap;
 import java.util.function.UnaryOperator;
 import java.util.stream.Collectors;
 
@@ -224,7 +225,7 @@ public class NodeRepositoryMock implements NodeRepository {
     }
 
     public void putApplication(ZoneId zone, Application application) {
-        applications.computeIfAbsent(zone, (k) -> new HashMap<>())
+        applications.computeIfAbsent(zone, (k) -> new TreeMap<>())
                     .put(application.id(), application);
     }