diff --git a/src/test/java/jenkins/scm/impl/mock/MockSCMNavigatorContext.java b/src/test/java/jenkins/scm/impl/mock/MockSCMNavigatorContext.java
index 482a7270..6bb209ee 100644
--- a/src/test/java/jenkins/scm/impl/mock/MockSCMNavigatorContext.java
+++ b/src/test/java/jenkins/scm/impl/mock/MockSCMNavigatorContext.java
@@ -30,6 +30,7 @@
 import jenkins.scm.api.trait.SCMNavigatorContext;
 
 public class MockSCMNavigatorContext extends SCMNavigatorContext<MockSCMNavigatorContext, MockSCMNavigatorRequest> {
+    @NonNull
     @Override
     public MockSCMNavigatorRequest newRequest(@NonNull SCMNavigator source, @NonNull SCMSourceObserver observer) {
         return new MockSCMNavigatorRequest(source, this, observer);